158158294720 has 28 divisors (see below), whose sum is σ = 376614440064. Its totient is φ = 63263317760.

The previous prime is 158158294627. The next prime is 158158294733. The reversal of 158158294720 is 27492851851.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247122016 + ... + 247122655.

Almost surely, 2^158158294720 is an apocalyptic number.

158158294720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158158294720 is an abundant number, since it is smaller than the sum of its proper divisors (218456145344).

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

158158294720 is an equidigital number, since it uses as much as digits as its factorization.

158158294720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494244688 (or 494244678 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 158158294720 in words is "one hundred fifty-eight billion, one hundred fifty-eight million, two hundred ninety-four thousand, seven hundred twenty".