64160780 has 12 divisors (see below), whose sum is σ = 134737680. Its totient is φ = 25664304.

The previous prime is 64160729. The next prime is 64160791. The reversal of 64160780 is 8706146.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604000 + ... + 1604039.

It is an arithmetic number, because the mean of its divisors is an integer number (11228140).

Almost surely, 2^64160780 is an apocalyptic number.

It is an amenable number.

64160780 is an abundant number, since it is smaller than the sum of its proper divisors (70576900).

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

64160780 is a wasteful number, since it uses less digits than its factorization.

64160780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208048 (or 3208046 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 64160780 is about 8010.0424468289. The cubic root of 64160780 is about 400.3346782314.

The spelling of 64160780 in words is "sixty-four million, one hundred sixty thousand, seven hundred eighty".