192374116661 has 2 divisors, whose sum is σ = 192374116662. Its totient is φ = 192374116660.

The previous prime is 192374116637. The next prime is 192374116763. The reversal of 192374116661 is 166611473291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175234332100 + 17139784561 = 418610^2 + 130919^2 .

It is a cyclic number.

It is not a de Polignac number, because 192374116661 - 2³⁴ = 175194247477 is a prime.

It is a super-2 number, since 2×192374116661² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192374116601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96187058330 + 96187058331.

It is an arithmetic number, because the mean of its divisors is an integer number (96187058331).

Almost surely, 2^192374116661 is an apocalyptic number.

It is an amenable number.

192374116661 is a deficient number, since it is larger than the sum of its proper divisors (1).

192374116661 is an equidigital number, since it uses as much as digits as its factorization.

192374116661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The spelling of 192374116661 in words is "one hundred ninety-two billion, three hundred seventy-four million, one hundred sixteen thousand, six hundred sixty-one".