616229980 has 24 divisors (see below), whose sum is σ = 1296579312. Its totient is φ = 246016512.

The previous prime is 616229969. The next prime is 616230029. The reversal of 616229980 is 89922616.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18997 + ... + 39916.

It is an arithmetic number, because the mean of its divisors is an integer number (54024138).

Almost surely, 2^616229980 is an apocalyptic number.

It is an amenable number.

616229980 is an abundant number, since it is smaller than the sum of its proper divisors (680349332).

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

616229980 is a wasteful number, since it uses less digits than its factorization.

616229980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59445 (or 59443 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 616229980 is about 24823.9799387608. The cubic root of 616229980 is about 850.9700482369.

The spelling of 616229980 in words is "six hundred sixteen million, two hundred twenty-nine thousand, nine hundred eighty".