1656135665356 has 48 divisors (see below), whose sum is σ = 2993612177920. Its totient is φ = 801081731520.

The previous prime is 1656135665291. The next prime is 1656135665411. The reversal of 1656135665356 is 6535665316561.

It is a self number, because there is not a number n which added to its sum of digits gives 1656135665356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32420371 + ... + 32471413.

Almost surely, 2^{1656135665356} is an apocalyptic number.

It is an amenable number.

1656135665356 is a deficient number, since it is larger than the sum of its proper divisors (1337476512564).

1656135665356 is a wasteful number, since it uses less digits than its factorization.

1656135665356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52334 (or 52332 counting only the distinct ones).

The product of its digits is 43740000, while the sum is 58.

The spelling of 1656135665356 in words is "one trillion, six hundred fifty-six billion, one hundred thirty-five million, six hundred sixty-five thousand, three hundred fifty-six".