1516017872 has 40 divisors (see below), whose sum is σ = 3066197352. Its totient is φ = 725414400.

The previous prime is 1516017829. The next prime is 1516017907. The reversal of 1516017872 is 2787106151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5776 + 1516012096 = 76^2 + 38936^2 .

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, 15122 + ... + 57102.

Almost surely, 2^1516017872 is an apocalyptic number.

It is an amenable number.

1516017872 is an abundant number, since it is smaller than the sum of its proper divisors (1550179480).

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

1516017872 is a wasteful number, since it uses less digits than its factorization.

1516017872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42087 (or 42081 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 38.

The square root of 1516017872 is about 38936.0741729312. The cubic root of 1516017872 is about 1148.7744655743.

The spelling of 1516017872 in words is "one billion, five hundred sixteen million, seventeen thousand, eight hundred seventy-two".