616140431162465 has 16 divisors (see below), whose sum is σ = 812471310432000. Its totient is φ = 444831313269120.

The previous prime is 616140431162419. The next prime is 616140431162479. The reversal of 616140431162465 is 564261134041616.

It is not a de Polignac number, because 616140431162465 - 2³⁴ = 616123251293281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40885223465 + ... + 40885238534.

It is an arithmetic number, because the mean of its divisors is an integer number (50779456902000).

Almost surely, 2^{616140431162465} is an apocalyptic number.

It is an amenable number.

616140431162465 is a deficient number, since it is larger than the sum of its proper divisors (196330879269535).

616140431162465 is a wasteful number, since it uses less digits than its factorization.

616140431162465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81770462152.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 616140431162465 in words is "six hundred sixteen trillion, one hundred forty billion, four hundred thirty-one million, one hundred sixty-two thousand, four hundred sixty-five".