158632366397 has 2 divisors, whose sum is σ = 158632366398. Its totient is φ = 158632366396.

The previous prime is 158632366301. The next prime is 158632366457. The reversal of 158632366397 is 793663236851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158399224036 + 233142361 = 397994^2 + 15269^2 .

It is a cyclic number.

It is not a de Polignac number, because 158632366397 - 2¹⁴ = 158632350013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158632366297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79316183198 + 79316183199.

It is an arithmetic number, because the mean of its divisors is an integer number (79316183199).

Almost surely, 2^158632366397 is an apocalyptic number.

It is an amenable number.

158632366397 is a deficient number, since it is larger than the sum of its proper divisors (1).

158632366397 is an equidigital number, since it uses as much as digits as its factorization.

158632366397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29393280, while the sum is 59.

The spelling of 158632366397 in words is "one hundred fifty-eight billion, six hundred thirty-two million, three hundred sixty-six thousand, three hundred ninety-seven".