616612626654 has 16 divisors (see below), whose sum is σ = 1233233456400. Its totient is φ = 205536175040.

The previous prime is 616612626649. The next prime is 616612626667. The reversal of 616612626654 is 456626216616.

It is a super-2 number, since 2×616612626654² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 616612626597 and 616612626606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109272 + ... + 1569620.

It is an arithmetic number, because the mean of its divisors is an integer number (77077091025).

Almost surely, 2^616612626654 is an apocalyptic number.

616612626654 is an abundant number, since it is smaller than the sum of its proper divisors (616620829746).

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

616612626654 is a wasteful number, since it uses less digits than its factorization.

616612626654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683595.

The product of its digits is 3732480, while the sum is 51.

The spelling of 616612626654 in words is "six hundred sixteen billion, six hundred twelve million, six hundred twenty-six thousand, six hundred fifty-four".