616231510623 has 12 divisors (see below), whose sum is σ = 896906933208. Its totient is φ = 407684968080.

The previous prime is 616231510607. The next prime is 616231510649. The reversal of 616231510623 is 326015132616.

616231510623 is a `hidden beast` number, since 6 + 1 + 6 + 2 + 3 + 15 + 10 + 623 = 666.

It is not a de Polignac number, because 616231510623 - 2⁴ = 616231510607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616231500623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261335340 + ... + 261337697.

It is an arithmetic number, because the mean of its divisors is an integer number (74742244434).

Almost surely, 2^616231510623 is an apocalyptic number.

616231510623 is a deficient number, since it is larger than the sum of its proper divisors (280675422585).

616231510623 is a wasteful number, since it uses less digits than its factorization.

616231510623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522673174 (or 522673171 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 616231510623 in words is "six hundred sixteen billion, two hundred thirty-one million, five hundred ten thousand, six hundred twenty-three".