1656000560 has 40 divisors (see below), whose sum is σ = 3870395136. Its totient is φ = 658926080.

The previous prime is 1656000559. The next prime is 1656000569. The reversal of 1656000560 is 650006561.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1656000569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38909 + ... + 69468.

Almost surely, 2^1656000560 is an apocalyptic number.

1656000560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1656000560 is an abundant number, since it is smaller than the sum of its proper divisors (2214394576).

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

1656000560 is a wasteful number, since it uses less digits than its factorization.

1656000560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108581 (or 108575 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1656000560 is about 40693.9867793756. The cubic root of 1656000560 is about 1183.0964733004.

The spelling of 1656000560 in words is "one billion, six hundred fifty-six million, five hundred sixty", and thus it is an aban number.