158492993663 has 2 divisors, whose sum is σ = 158492993664. Its totient is φ = 158492993662.

The previous prime is 158492993609. The next prime is 158492993677. The reversal of 158492993663 is 366399294851.

It is a strong prime.

It is an emirp because it is prime and its reverse (366399294851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158492993663 - 2²⁴ = 158476216447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158492993663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158492993963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79246496831 + 79246496832.

It is an arithmetic number, because the mean of its divisors is an integer number (79246496832).

Almost surely, 2^158492993663 is an apocalyptic number.

158492993663 is a deficient number, since it is larger than the sum of its proper divisors (1).

158492993663 is an equidigital number, since it uses as much as digits as its factorization.

158492993663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75582720, while the sum is 65.

The spelling of 158492993663 in words is "one hundred fifty-eight billion, four hundred ninety-two million, nine hundred ninety-three thousand, six hundred sixty-three".