1992571497936 has 80 divisors (see below), whose sum is σ = 5873997105600. Its totient is φ = 646239399552.

The previous prime is 1992571497893. The next prime is 1992571497941. The reversal of 1992571497936 is 6397941752991.

1992571497936 is a `hidden beast` number, since 1 + 9 + 9 + 2 + 571 + 49 + 7 + 9 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62314206 + ... + 62346173.

It is an arithmetic number, because the mean of its divisors is an integer number (73424963820).

Almost surely, 2^{1992571497936} is an apocalyptic number.

1992571497936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1992571497936 is an abundant number, since it is smaller than the sum of its proper divisors (3881425607664).

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

1992571497936 is a wasteful number, since it uses less digits than its factorization.

1992571497936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124660433 (or 124660421 counting only the distinct ones).

The product of its digits is 231472080, while the sum is 72.

The spelling of 1992571497936 in words is "one trillion, nine hundred ninety-two billion, five hundred seventy-one million, four hundred ninety-seven thousand, nine hundred thirty-six".