64311116 has 6 divisors (see below), whose sum is σ = 112544460. Its totient is φ = 32155556.

The previous prime is 64311113. The next prime is 64311157. The reversal of 64311116 is 61111346.

It is a junction number, because it is equal to n+sod(n) for n = 64311091 and 64311100.

It is not an unprimeable number, because it can be changed into a prime (64311113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8038886 + ... + 8038893.

It is an arithmetic number, because the mean of its divisors is an integer number (18757410).

Almost surely, 2^64311116 is an apocalyptic number.

It is an amenable number.

64311116 is a deficient number, since it is larger than the sum of its proper divisors (48233344).

64311116 is a wasteful number, since it uses less digits than its factorization.

64311116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16077783 (or 16077781 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 64311116 is about 8019.4211761199. The cubic root of 64311116 is about 400.6471108875.

The spelling of 64311116 in words is "sixty-four million, three hundred eleven thousand, one hundred sixteen".