361971238158 has 40 divisors (see below), whose sum is σ = 858794512752. Its totient is φ = 113559603264.

The previous prime is 361971238147. The next prime is 361971238193. The reversal of 361971238158 is 851832179163.

361971238158 is a `hidden beast` number, since 3 + 619 + 7 + 1 + 2 + 3 + 8 + 15 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65714610 + ... + 65720117.

Almost surely, 2^361971238158 is an apocalyptic number.

361971238158 is an abundant number, since it is smaller than the sum of its proper divisors (496823274594).

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

361971238158 is a wasteful number, since it uses less digits than its factorization.

361971238158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131434758 (or 131434749 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The spelling of 361971238158 in words is "three hundred sixty-one billion, nine hundred seventy-one million, two hundred thirty-eight thousand, one hundred fifty-eight".