1016840072 has 16 divisors (see below), whose sum is σ = 1924068300. Its totient is φ = 503755200.

The previous prime is 1016840053. The next prime is 1016840087. The reversal of 1016840072 is 2700486101.

It can be written as a sum of positive squares in 2 ways, for example, as 1005777796 + 11062276 = 31714^2 + 3326^2 .

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, 582179 + ... + 583922.

Almost surely, 2^1016840072 is an apocalyptic number.

It is an amenable number.

1016840072 is a deficient number, since it is larger than the sum of its proper divisors (907228228).

1016840072 is a wasteful number, since it uses less digits than its factorization.

1016840072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166216 (or 1166212 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1016840072 is about 31887.9298795014. The cubic root of 1016840072 is about 1005.5821390763.

The spelling of 1016840072 in words is "one billion, sixteen million, eight hundred forty thousand, seventy-two".