65446064 has 10 divisors (see below), whose sum is σ = 126801780. Its totient is φ = 32723024.

The previous prime is 65446037. The next prime is 65446067. The reversal of 65446064 is 46064456.

It is not an unprimeable number, because it can be changed into a prime (65446067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045174 + ... + 2045205.

It is an arithmetic number, because the mean of its divisors is an integer number (12680178).

Almost surely, 2^65446064 is an apocalyptic number.

It is an amenable number.

65446064 is a deficient number, since it is larger than the sum of its proper divisors (61355716).

65446064 is a wasteful number, since it uses less digits than its factorization.

65446064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090387 (or 4090381 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 65446064 is about 8089.8741646579. The cubic root of 65446064 is about 402.9902240320.

The spelling of 65446064 in words is "sixty-five million, four hundred forty-six thousand, sixty-four".