64097866 has 16 divisors (see below), whose sum is σ = 110061504. Its totient is φ = 27425664.

The previous prime is 64097857. The next prime is 64097899. The reversal of 64097866 is 66879046.

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, 6021 + ... + 12823.

It is an arithmetic number, because the mean of its divisors is an integer number (6878844).

Almost surely, 2^64097866 is an apocalyptic number.

64097866 is a deficient number, since it is larger than the sum of its proper divisors (45963638).

64097866 is a wasteful number, since it uses less digits than its factorization.

64097866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 64097866 is about 8006.1142884673. The cubic root of 64097866 is about 400.2037836629.

The spelling of 64097866 in words is "sixty-four million, ninety-seven thousand, eight hundred sixty-six".