161848512 has 168 divisors, whose sum is σ = 535874976. Its totient is φ = 45748224.

The previous prime is 161848501. The next prime is 161848537. The reversal of 161848512 is 215848161.

161848512 is a `hidden beast` number, since 1 + 61 + 84 + 8 + 512 = 666.

161848512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×161848512² = 52389881673228288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 552238 + ... + 552530.

It is an arithmetic number, because the mean of its divisors is an integer number (3189732).

Almost surely, 2^161848512 is an apocalyptic number.

161848512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161848512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267937488).

161848512 is an abundant number, since it is smaller than the sum of its proper divisors (374026464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161848512 is a wasteful number, since it uses less digits than its factorization.

161848512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 442 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 161848512 is about 12721.9696588225. The cubic root of 161848512 is about 544.9662038915.

The spelling of 161848512 in words is "one hundred sixty-one million, eight hundred forty-eight thousand, five hundred twelve".