1992172062744 has 80 divisors (see below), whose sum is σ = 5584439480400. Its totient is φ = 663520258368.

The previous prime is 1992172062733. The next prime is 1992172062821. The reversal of 1992172062744 is 4472602712991.

1992172062744 is a `hidden beast` number, since 1 + 9 + 9 + 2 + 1 + 7 + 2 + 0 + 627 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 441084 + ... + 2044235.

It is an arithmetic number, because the mean of its divisors is an integer number (69805493505).

Almost surely, 2^{1992172062744} is an apocalyptic number.

It is an amenable number.

1992172062744 is an abundant number, since it is smaller than the sum of its proper divisors (3592267417656).

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

1992172062744 is a wasteful number, since it uses less digits than its factorization.

1992172062744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486574 (or 2486561 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 1992172062744 in words is "one trillion, nine hundred ninety-two billion, one hundred seventy-two million, sixty-two thousand, seven hundred forty-four".