65365116980438 has 16 divisors (see below), whose sum is σ = 106961403605760. Its totient is φ = 29711332617000.

The previous prime is 65365116980437. The next prime is 65365116980507. The reversal of 65365116980438 is 83408961156356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65365116980437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4094663 + ... + 12144813.

It is an arithmetic number, because the mean of its divisors is an integer number (6685087725360).

Almost surely, 2^{65365116980438} is an apocalyptic number.

65365116980438 is a deficient number, since it is larger than the sum of its proper divisors (41596286625322).

65365116980438 is a wasteful number, since it uses less digits than its factorization.

65365116980438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8419243.

The product of its (nonzero) digits is 111974400, while the sum is 65.

The spelling of 65365116980438 in words is "sixty-five trillion, three hundred sixty-five billion, one hundred sixteen million, nine hundred eighty thousand, four hundred thirty-eight".