64161080 has 32 divisors (see below), whose sum is σ = 144612000. Its totient is φ = 25620096.

The previous prime is 64161059. The next prime is 64161107. The reversal of 64161080 is 8016146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31946 + ... + 33894.

It is an arithmetic number, because the mean of its divisors is an integer number (4519125).

Almost surely, 2^64161080 is an apocalyptic number.

It is an amenable number.

64161080 is an abundant number, since it is smaller than the sum of its proper divisors (80450920).

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

64161080 is a wasteful number, since it uses less digits than its factorization.

64161080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783 (or 2779 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 64161080 is about 8010.0611732995. The cubic root of 64161080 is about 400.3353021859.

The spelling of 64161080 in words is "sixty-four million, one hundred sixty-one thousand, eighty".