158196220800 has 96 divisors (see below), whose sum is σ = 521058833880. Its totient is φ = 42185656320.

The previous prime is 158196220781. The next prime is 158196220841. The reversal of 158196220800 is 8022691851.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8229787 + ... + 8248986.

Almost surely, 2^158196220800 is an apocalyptic number.

158196220800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158196220800 is an abundant number, since it is smaller than the sum of its proper divisors (362862613080).

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

158196220800 is a wasteful number, since it uses less digits than its factorization.

158196220800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16478800 (or 16478783 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 158196220800 in words is "one hundred fifty-eight billion, one hundred ninety-six million, two hundred twenty thousand, eight hundred".