158641673730 has 64 divisors (see below), whose sum is σ = 382751889408. Its totient is φ = 42081405120.

The previous prime is 158641673717. The next prime is 158641673759. The reversal of 158641673730 is 37376146851.

It is a super-2 number, since 2×158641673730² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5212417 + ... + 5242763.

It is an arithmetic number, because the mean of its divisors is an integer number (5980498272).

Almost surely, 2^158641673730 is an apocalyptic number.

158641673730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158641673730 is an abundant number, since it is smaller than the sum of its proper divisors (224110215678).

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

158641673730 is a wasteful number, since it uses less digits than its factorization.

158641673730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31271.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 158641673730 in words is "one hundred fifty-eight billion, six hundred forty-one million, six hundred seventy-three thousand, seven hundred thirty".