64503116 has 6 divisors (see below), whose sum is σ = 112880460. Its totient is φ = 32251556.

The previous prime is 64503113. The next prime is 64503133. The reversal of 64503116 is 61130546.

It is not an unprimeable number, because it can be changed into a prime (64503113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8062886 + ... + 8062893.

It is an arithmetic number, because the mean of its divisors is an integer number (18813410).

Almost surely, 2^64503116 is an apocalyptic number.

It is an amenable number.

64503116 is a deficient number, since it is larger than the sum of its proper divisors (48377344).

64503116 is a wasteful number, since it uses less digits than its factorization.

64503116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16125783 (or 16125781 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 64503116 is about 8031.3831934481. The cubic root of 64503116 is about 401.0454236764.

The spelling of 64503116 in words is "sixty-four million, five hundred three thousand, one hundred sixteen".