158581962077 has 24 divisors (see below), whose sum is σ = 201266671680. Its totient is φ = 123555922560.

The previous prime is 158581962073. The next prime is 158581962151. The reversal of 158581962077 is 770269185851.

It is not a de Polignac number, because 158581962077 - 2² = 158581962073 is a prime.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158581962073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8661749 + ... + 8680037.

It is an arithmetic number, because the mean of its divisors is an integer number (8386111320).

Almost surely, 2^158581962077 is an apocalyptic number.

It is an amenable number.

158581962077 is a deficient number, since it is larger than the sum of its proper divisors (42684709603).

158581962077 is a wasteful number, since it uses less digits than its factorization.

158581962077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34401 (or 34394 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 59.

The spelling of 158581962077 in words is "one hundred fifty-eight billion, five hundred eighty-one million, nine hundred sixty-two thousand, seventy-seven".