161070656 has 28 divisors (see below), whose sum is σ = 333524352. Its totient is φ = 77033088.

The previous prime is 161070653. The next prime is 161070661. The reversal of 161070656 is 656070161.

It is a super-3 number, since 3×161070656³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (161070653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53240 + ... + 56183.

It is an arithmetic number, because the mean of its divisors is an integer number (11911584).

Almost surely, 2^161070656 is an apocalyptic number.

161070656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161070656 is an abundant number, since it is smaller than the sum of its proper divisors (172453696).

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

161070656 is a wasteful number, since it uses less digits than its factorization.

161070656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109458 (or 109448 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 161070656 is about 12691.3614714892. The cubic root of 161070656 is about 544.0917521134.

The spelling of 161070656 in words is "one hundred sixty-one million, seventy thousand, six hundred fifty-six".