880164961 has 4 divisors (see below), whose sum is σ = 947869972. Its totient is φ = 812459952.

The previous prime is 880164959. The next prime is 880164977. The reversal of 880164961 is 169461088.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 192099600 + 688065361 = 13860^2 + 26231^2 .

It is a cyclic number.

It is not a de Polignac number, because 880164961 - 2¹ = 880164959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (887164961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33852486 + ... + 33852511.

It is an arithmetic number, because the mean of its divisors is an integer number (236967493).

Almost surely, 2^880164961 is an apocalyptic number.

It is an amenable number.

880164961 is a deficient number, since it is larger than the sum of its proper divisors (67705011).

880164961 is a wasteful number, since it uses less digits than its factorization.

880164961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67705010.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 880164961 is about 29667.5742351814. The cubic root of 880164961 is about 958.3438462632.

The spelling of 880164961 in words is "eight hundred eighty million, one hundred sixty-four thousand, nine hundred sixty-one".