65017860196 has 9 divisors (see below), whose sum is σ = 113782147801. Its totient is φ = 32508675112.

The previous prime is 65017860181. The next prime is 65017860241. The reversal of 65017860196 is 69106871056.

It is a happy number.

The square root of 65017860196 is 254986.

It is a perfect power (a square), and thus also a powerful number.

65017860196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39716504100 + 25301356096 = 199290^2 + 159064^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 446226 + ... + 573718.

Almost surely, 2^65017860196 is an apocalyptic number.

65017860196 is the 254986-th square number.

It is an amenable number.

65017860196 is a deficient number, since it is larger than the sum of its proper divisors (48764287605).

65017860196 is an frugal number, since it uses more digits than its factorization.

65017860196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254990 (or 127495 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

Multiplying 65017860196 by its sum of digits (49), we get a square (3185875149604 = 1784902²).

The spelling of 65017860196 in words is "sixty-five billion, seventeen million, eight hundred sixty thousand, one hundred ninety-six".