65165516452 has 12 divisors (see below), whose sum is σ = 118997899776. Its totient is φ = 31166116520.

The previous prime is 65165516447. The next prime is 65165516453. The reversal of 65165516452 is 25461556156.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (65165516453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354160324 + ... + 354160507.

It is an arithmetic number, because the mean of its divisors is an integer number (9916491648).

Almost surely, 2^65165516452 is an apocalyptic number.

It is an amenable number.

65165516452 is a deficient number, since it is larger than the sum of its proper divisors (53832383324).

65165516452 is a wasteful number, since it uses less digits than its factorization.

65165516452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708320858 (or 708320856 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 46.

The spelling of 65165516452 in words is "sixty-five billion, one hundred sixty-five million, five hundred sixteen thousand, four hundred fifty-two".