1566713560 has 32 divisors (see below), whose sum is σ = 3526277040. Its totient is φ = 626477184.

The previous prime is 1566713539. The next prime is 1566713567. The reversal of 1566713560 is 653176651.

It is a super-4 number, since 4×1566713560⁴ (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1566713567) 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, 184774 + ... + 193066.

Almost surely, 2^1566713560 is an apocalyptic number.

1566713560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1566713560 is an abundant number, since it is smaller than the sum of its proper divisors (1959563480).

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

1566713560 is a wasteful number, since it uses less digits than its factorization.

1566713560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13027 (or 13023 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 1566713560 is about 39581.7326553550. The cubic root of 1566713560 is about 1161.4393448906.

The spelling of 1566713560 in words is "one billion, five hundred sixty-six million, seven hundred thirteen thousand, five hundred sixty".