1616165872 has 10 divisors (see below), whose sum is σ = 3131321408. Its totient is φ = 808082928.

The previous prime is 1616165869. The next prime is 1616165891. The reversal of 1616165872 is 2785616161.

It is a super-2 number, since 2×1616165872² = 5223984251635040768, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505168 + ... + 50505199.

Almost surely, 2^1616165872 is an apocalyptic number.

It is an amenable number.

1616165872 is a deficient number, since it is larger than the sum of its proper divisors (1515155536).

1616165872 is a wasteful number, since it uses less digits than its factorization.

1616165872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010375 (or 101010369 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 1616165872 is about 40201.5655416552. The cubic root of 1616165872 is about 1173.5330108116.

The spelling of 1616165872 in words is "one billion, six hundred sixteen million, one hundred sixty-five thousand, eight hundred seventy-two".