65116552 has 8 divisors (see below), whose sum is σ = 122093550. Its totient is φ = 32558272.

The previous prime is 65116549. The next prime is 65116567. The reversal of 65116552 is 25561156.

It can be written as a sum of positive squares in only one way, i.e., 50324836 + 14791716 = 7094^2 + 3846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4069777 + ... + 4069792.

Almost surely, 2^65116552 is an apocalyptic number.

It is an amenable number.

65116552 is a deficient number, since it is larger than the sum of its proper divisors (56976998).

65116552 is a wasteful number, since it uses less digits than its factorization.

65116552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8139575 (or 8139571 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The square root of 65116552 is about 8069.4827591364. The cubic root of 65116552 is about 402.3127521716.

The spelling of 65116552 in words is "sixty-five million, one hundred sixteen thousand, five hundred fifty-two".