1566056116 has 24 divisors (see below), whose sum is σ = 2951000640. Its totient is φ = 724474752.

The previous prime is 1566056113. The next prime is 1566056119. The reversal of 1566056116 is 6116506651.

It is an interprime number because it is at equal distance from previous prime (1566056113) and next prime (1566056119).

It is a super-2 number, since 2×1566056116² = 4905063516922010912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1566056113) 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, 191160 + ... + 199183.

It is an arithmetic number, because the mean of its divisors is an integer number (122958360).

Almost surely, 2^1566056116 is an apocalyptic number.

It is an amenable number.

1566056116 is a deficient number, since it is larger than the sum of its proper divisors (1384944524).

1566056116 is a wasteful number, since it uses less digits than its factorization.

1566056116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390423 (or 390421 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 1566056116 is about 39573.4268922973. The cubic root of 1566056116 is about 1161.2768629111.

The spelling of 1566056116 in words is "one billion, five hundred sixty-six million, fifty-six thousand, one hundred sixteen".