64956016 has 40 divisors (see below), whose sum is σ = 130531824. Its totient is φ = 31288320.

The previous prime is 64956011. The next prime is 64956019. The reversal of 64956016 is 61065946.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64956011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66411 + ... + 67381.

Almost surely, 2^64956016 is an apocalyptic number.

It is an amenable number.

64956016 is an abundant number, since it is smaller than the sum of its proper divisors (65575808).

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

64956016 is a wasteful number, since it uses less digits than its factorization.

64956016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 64956016 is about 8059.5295148042. The cubic root of 64956016 is about 401.9818643172.

It can be divided in two parts, 649 and 56016, that added together give a palindrome (56665).

The spelling of 64956016 in words is "sixty-four million, nine hundred fifty-six thousand, sixteen".