1923972261696 has 168 divisors, whose sum is σ = 5807508202080. Its totient is φ = 607304272896.

The previous prime is 1923972261671. The next prime is 1923972261727. The reversal of 1923972261696 is 6961622793291.

1923972261696 is a `hidden beast` number, since 1 + 9 + 2 + 3 + 9 + 7 + 2 + 2 + 616 + 9 + 6 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25757715 + ... + 25832301.

Almost surely, 2^{1923972261696} is an apocalyptic number.

1923972261696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1923972261696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2903754101040).

1923972261696 is an abundant number, since it is smaller than the sum of its proper divisors (3883535940384).

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

1923972261696 is a wasteful number, since it uses less digits than its factorization.

1923972261696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76981 (or 76968 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 63.

The spelling of 1923972261696 in words is "one trillion, nine hundred twenty-three billion, nine hundred seventy-two million, two hundred sixty-one thousand, six hundred ninety-six".