1656011011056 has 40 divisors (see below), whose sum is σ = 4278226830720. Its totient is φ = 551978072256.

The previous prime is 1656011011001. The next prime is 1656011011079. The reversal of 1656011011056 is 6501101106561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260415 + ... + 1838433.

It is an arithmetic number, because the mean of its divisors is an integer number (106955670768).

Almost surely, 2^{1656011011056} is an apocalyptic number.

1656011011056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1656011011056 is an abundant number, since it is smaller than the sum of its proper divisors (2622215819664).

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

1656011011056 is a wasteful number, since it uses less digits than its factorization.

1656011011056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599893 (or 1599887 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 1656011011056 in words is "one trillion, six hundred fifty-six billion, eleven million, eleven thousand, fifty-six".