64915466 has 32 divisors (see below), whose sum is σ = 124236288. Its totient is φ = 24701040.

The previous prime is 64915463. The next prime is 64915471. The reversal of 64915466 is 66451946.

It is not an unprimeable number, because it can be changed into a prime (64915463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721 + ... + 11523.

It is an arithmetic number, because the mean of its divisors is an integer number (3882384).

Almost surely, 2^64915466 is an apocalyptic number.

64915466 is a deficient number, since it is larger than the sum of its proper divisors (59320822).

64915466 is a wasteful number, since it uses less digits than its factorization.

64915466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9866.

The product of its digits is 155520, while the sum is 41.

The square root of 64915466 is about 8057.0134665396. The cubic root of 64915466 is about 401.8981986887.

The spelling of 64915466 in words is "sixty-four million, nine hundred fifteen thousand, four hundred sixty-six".