1016056520 has 32 divisors (see below), whose sum is σ = 2288718720. Its totient is φ = 405961920.

The previous prime is 1016056477. The next prime is 1016056529. The reversal of 1016056520 is 256506101.

It is a self number, because there is not a number n which added to its sum of digits gives 1016056520.

It is not an unprimeable number, because it can be changed into a prime (1016056529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22499 + ... + 50381.

It is an arithmetic number, because the mean of its divisors is an integer number (71522460).

Almost surely, 2^1016056520 is an apocalyptic number.

1016056520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1016056520 is an abundant number, since it is smaller than the sum of its proper divisors (1272662200).

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

1016056520 is a wasteful number, since it uses less digits than its factorization.

1016056520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28805 (or 28801 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1016056520 is about 31875.6414837412. The cubic root of 1016056520 is about 1005.3237803989.

The spelling of 1016056520 in words is "one billion, sixteen million, fifty-six thousand, five hundred twenty".