161348580288 has 224 divisors, whose sum is σ = 542539123200. Its totient is φ = 46062010368.

The previous prime is 161348580277. The next prime is 161348580293. The reversal of 161348580288 is 882085843161.

161348580288 is a `hidden beast` number, since 1 + 6 + 1 + 3 + 485 + 80 + 2 + 88 = 666.

161348580288 is digitally balanced in base 2, 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 (224).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17038531 + ... + 17047997.

Almost surely, 2^161348580288 is an apocalyptic number.

161348580288 is a gapful number since it is divisible by the number (18) 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 161348580288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271269561600).

161348580288 is an abundant number, since it is smaller than the sum of its proper divisors (381190542912).

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

161348580288 is a wasteful number, since it uses less digits than its factorization.

161348580288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10904 (or 10888 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 161348580288 in words is "one hundred sixty-one billion, three hundred forty-eight million, five hundred eighty thousand, two hundred eighty-eight".