161360112270 has 64 divisors (see below), whose sum is σ = 468622319616. Its totient is φ = 34712762880.

The previous prime is 161360112259. The next prime is 161360112283. The reversal of 161360112270 is 72211063161.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22595886 + ... + 22603025.

It is an arithmetic number, because the mean of its divisors is an integer number (7322223744).

Almost surely, 2^161360112270 is an apocalyptic number.

161360112270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161360112270 is an abundant number, since it is smaller than the sum of its proper divisors (307262207346).

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

161360112270 is a wasteful number, since it uses less digits than its factorization.

161360112270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45198945.

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 161360112270 in words is "one hundred sixty-one billion, three hundred sixty million, one hundred twelve thousand, two hundred seventy".