616125406431 has 16 divisors (see below), whose sum is σ = 828720267264. Its totient is φ = 407146277664.

The previous prime is 616125406409. The next prime is 616125406433. The reversal of 616125406431 is 134604521616.

It is not a de Polignac number, because 616125406431 - 2¹⁰ = 616125405407 is a prime.

It is a super-2 number, since 2×616125406431² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 616125406431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616125406433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312816 + ... + 1153301.

It is an arithmetic number, because the mean of its divisors is an integer number (51795016704).

Almost surely, 2^616125406431 is an apocalyptic number.

616125406431 is a deficient number, since it is larger than the sum of its proper divisors (212594860833).

616125406431 is a wasteful number, since it uses less digits than its factorization.

616125406431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467350.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 616125406431 in words is "six hundred sixteen billion, one hundred twenty-five million, four hundred six thousand, four hundred thirty-one".