1566061360 has 20 divisors (see below), whose sum is σ = 3641092848. Its totient is φ = 626424512.

The previous prime is 1566061349. The next prime is 1566061361. The reversal of 1566061360 is 631606651.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1566061361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9787804 + ... + 9787963.

Almost surely, 2^1566061360 is an apocalyptic number.

1566061360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1566061360 is an abundant number, since it is smaller than the sum of its proper divisors (2075031488).

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

1566061360 is a wasteful number, since it uses less digits than its factorization.

1566061360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19575780 (or 19575774 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1566061360 is about 39573.4931488237. The cubic root of 1566061360 is about 1161.2781591033.

The spelling of 1566061360 in words is "one billion, five hundred sixty-six million, sixty-one thousand, three hundred sixty".