161484912 has 30 divisors (see below), whose sum is σ = 451933872. Its totient is φ = 53828256.

The previous prime is 161484881. The next prime is 161484913. The reversal of 161484912 is 219484161.

161484912 is a `hidden beast` number, since 161 + 4 + 8 + 491 + 2 = 666.

It is a super-3 number, since 3×161484912³ (a number of 26 digits) contains 333 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161484913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 560568 + ... + 560855.

Almost surely, 2^161484912 is an apocalyptic number.

161484912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161484912 is an abundant number, since it is smaller than the sum of its proper divisors (290448960).

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

161484912 is a wasteful number, since it uses less digits than its factorization.

161484912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121437 (or 1121428 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 161484912 is about 12707.6713838531. The cubic root of 161484912 is about 544.5578008343.

The spelling of 161484912 in words is "one hundred sixty-one million, four hundred eighty-four thousand, nine hundred twelve".