158053231698 has 64 divisors (see below), whose sum is σ = 334030435200. Its totient is φ = 49718845440.

The previous prime is 158053231681. The next prime is 158053231729. The reversal of 158053231698 is 896132350851.

It is a happy number.

It is a super-3 number, since 3×158053231698³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 158053231698.

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, 64748158 + ... + 64750598.

It is an arithmetic number, because the mean of its divisors is an integer number (5219225550).

Almost surely, 2^158053231698 is an apocalyptic number.

158053231698 is an abundant number, since it is smaller than the sum of its proper divisors (175977203502).

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

158053231698 is a wasteful number, since it uses less digits than its factorization.

158053231698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 158053231698 in words is "one hundred fifty-eight billion, fifty-three million, two hundred thirty-one thousand, six hundred ninety-eight".