158021385104 has 40 divisors (see below), whose sum is σ = 340301647872. Its totient is φ = 70472654720.

The previous prime is 158021385101. The next prime is 158021385163. The reversal of 158021385104 is 401583120851.

It is not an unprimeable number, because it can be changed into a prime (158021385101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8460944 + ... + 8479599.

Almost surely, 2^158021385104 is an apocalyptic number.

It is an amenable number.

158021385104 is an abundant number, since it is smaller than the sum of its proper divisors (182280262768).

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

158021385104 is a wasteful number, since it uses less digits than its factorization.

158021385104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16940615 (or 16940609 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 158021385104 in words is "one hundred fifty-eight billion, twenty-one million, three hundred eighty-five thousand, one hundred four".