1992161986055 has 48 divisors (see below), whose sum is σ = 2545112759904. Its totient is φ = 1496664449280.

The previous prime is 1992161985953. The next prime is 1992161986081. The reversal of 1992161986055 is 5506891612991.

It is not a de Polignac number, because 1992161986055 - 2²⁰ = 1992160937479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239524757 + ... + 239533073.

It is an arithmetic number, because the mean of its divisors is an integer number (53023182498).

Almost surely, 2^{1992161986055} is an apocalyptic number.

1992161986055 is a deficient number, since it is larger than the sum of its proper divisors (552950773849).

1992161986055 is a wasteful number, since it uses less digits than its factorization.

1992161986055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504 (or 9485 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 62.

The spelling of 1992161986055 in words is "one trillion, nine hundred ninety-two billion, one hundred sixty-one million, nine hundred eighty-six thousand, fifty-five".