1616317552 has 20 divisors (see below), whose sum is σ = 3239602920. Its totient is φ = 780291008.

The previous prime is 1616317541. The next prime is 1616317589. The reversal of 1616317552 is 2557136161.

It is a super-2 number, since 2×1616317552² = 5224964857806545408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1741258 + ... + 1742185.

It is an arithmetic number, because the mean of its divisors is an integer number (161980146).

Almost surely, 2^1616317552 is an apocalyptic number.

It is an amenable number.

1616317552 is an abundant number, since it is smaller than the sum of its proper divisors (1623285368).

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

1616317552 is a wasteful number, since it uses less digits than its factorization.

1616317552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483480 (or 3483474 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 1616317552 is about 40203.4519910915. The cubic root of 1616317552 is about 1173.5697223731.

The spelling of 1616317552 in words is "one billion, six hundred sixteen million, three hundred seventeen thousand, five hundred fifty-two".