161073056 has 24 divisors (see below), whose sum is σ = 317397024. Its totient is φ = 80464320.

The previous prime is 161073049. The next prime is 161073067. The reversal of 161073056 is 650370161.

It is an unprimeable number.

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, 63101 + ... + 65603.

It is an arithmetic number, because the mean of its divisors is an integer number (13224876).

Almost surely, 2^161073056 is an apocalyptic number.

161073056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161073056 is a deficient number, since it is larger than the sum of its proper divisors (156323968).

161073056 is a wasteful number, since it uses less digits than its factorization.

161073056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524 (or 4516 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 161073056 is about 12691.4560236405. The cubic root of 161073056 is about 544.0944544755.

The spelling of 161073056 in words is "one hundred sixty-one million, seventy-three thousand, fifty-six".