64916000 has 48 divisors (see below), whose sum is σ = 159508440. Its totient is φ = 25964800.

The previous prime is 64915999. The next prime is 64916023. The reversal of 64916000 is 61946.

It can be written as a sum of positive squares in 4 ways, for example, as 38987536 + 25928464 = 6244^2 + 5092^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4115 + ... + 12114.

Almost surely, 2^64916000 is an apocalyptic number.

It is an amenable number.

64916000 is an abundant number, since it is smaller than the sum of its proper divisors (94592440).

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

64916000 is a wasteful number, since it uses less digits than its factorization.

64916000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16254 (or 16236 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 64916000 is about 8057.0466053015. The cubic root of 64916000 is about 401.8993007016.

Adding to 64916000 its reverse (61946), we get a palindrome (64977946).

The spelling of 64916000 in words is "sixty-four million, nine hundred sixteen thousand".