616622456 has 16 divisors (see below), whose sum is σ = 1206435600. Its totient is φ = 294906304.

The previous prime is 616622441. The next prime is 616622467. The reversal of 616622456 is 654226616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675421 + ... + 1675788.

It is an arithmetic number, because the mean of its divisors is an integer number (75402225).

Almost surely, 2^616622456 is an apocalyptic number.

It is an amenable number.

616622456 is a deficient number, since it is larger than the sum of its proper divisors (589813144).

616622456 is a wasteful number, since it uses less digits than its factorization.

616622456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351238 (or 3351234 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 616622456 is about 24831.8838592645. The cubic root of 616622456 is about 851.1506704352.

The spelling of 616622456 in words is "six hundred sixteen million, six hundred twenty-two thousand, four hundred fifty-six".