80161056 has 48 divisors (see below), whose sum is σ = 233805600. Its totient is φ = 26720064.

The previous prime is 80161051. The next prime is 80161061. The reversal of 80161056 is 65016108.

It is an interprime number because it is at equal distance from previous prime (80161051) and next prime (80161061).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (80161051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45526 + ... + 47253.

It is an arithmetic number, because the mean of its divisors is an integer number (4870950).

Almost surely, 2^80161056 is an apocalyptic number.

It is an amenable number.

80161056 is an abundant number, since it is smaller than the sum of its proper divisors (153644544).

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

80161056 is a wasteful number, since it uses less digits than its factorization.

80161056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92798 (or 92784 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 80161056 is about 8953.2706872963. The cubic root of 80161056 is about 431.1758980428.

The spelling of 80161056 in words is "eighty million, one hundred sixty-one thousand, fifty-six".