65190344976 has 45 divisors (see below), whose sum is σ = 182450998821. Its totient is φ = 21729093696.

The previous prime is 65190344957. The next prime is 65190344993. The reversal of 65190344976 is 67944309156.

The square root of 65190344976 is 255324.

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

65190344976 is a `hidden beast` number, since 6 + 5 + 190 + 3 + 449 + 7 + 6 = 666.

65190344976 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., 3201296400 + 61989048576 = 56580^2 + 248976^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3053250 + ... + 3074526.

Almost surely, 2^65190344976 is an apocalyptic number.

65190344976 is the 255324-th square number.

It is an amenable number.

65190344976 is an abundant number, since it is smaller than the sum of its proper divisors (117260653845).

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

65190344976 is an frugal number, since it uses more digits than its factorization.

65190344976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42568 (or 21282 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 65190344976 in words is "sixty-five billion, one hundred ninety million, three hundred forty-four thousand, nine hundred seventy-six".