1655887982163 has 16 divisors (see below), whose sum is σ = 2263152667776. Its totient is φ = 1076364233280.

The previous prime is 1655887982093. The next prime is 1655887982171. The reversal of 1655887982163 is 3612897885561.

It is not a de Polignac number, because 1655887982163 - 2³² = 1651593014867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1655887982363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11166570 + ... + 11313887.

It is an arithmetic number, because the mean of its divisors is an integer number (141447041736).

Almost surely, 2^{1655887982163} is an apocalyptic number.

1655887982163 is a deficient number, since it is larger than the sum of its proper divisors (607264685613).

1655887982163 is a wasteful number, since it uses less digits than its factorization.

1655887982163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22481074.

The product of its digits is 174182400, while the sum is 69.

The spelling of 1655887982163 in words is "one trillion, six hundred fifty-five billion, eight hundred eighty-seven million, nine hundred eighty-two thousand, one hundred sixty-three".