1565902730660 has 48 divisors (see below), whose sum is σ = 3437956109952. Its totient is φ = 597977952000.

The previous prime is 1565902730633. The next prime is 1565902730677. The reversal of 1565902730660 is 660372095651.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1565902730599 and 1565902730608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3027266 + ... + 3506585.

It is an arithmetic number, because the mean of its divisors is an integer number (71624085624).

Almost surely, 2^{1565902730660} is an apocalyptic number.

1565902730660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1565902730660 is an abundant number, since it is smaller than the sum of its proper divisors (1872053379292).

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

1565902730660 is a wasteful number, since it uses less digits than its factorization.

1565902730660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6534404 (or 6534402 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 1565902730660 in words is "one trillion, five hundred sixty-five billion, nine hundred two million, seven hundred thirty thousand, six hundred sixty".