158213120036640 has 192 divisors, whose sum is σ = 514458076446720. Its totient is φ = 40828378475520.

The previous prime is 158213120036593. The next prime is 158213120036641. The reversal of 158213120036640 is 46630021312851.

158213120036640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 158213120036592 and 158213120036601.

It is not an unprimeable number, because it can be changed into a prime (158213120036641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1213532737 + ... + 1213663103.

It is an arithmetic number, because the mean of its divisors is an integer number (2679469148160).

Almost surely, 2^{158213120036640} is an apocalyptic number.

158213120036640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158213120036640 is an abundant number, since it is smaller than the sum of its proper divisors (356244956410080).

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

158213120036640 is a wasteful number, since it uses less digits than its factorization.

158213120036640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211975 (or 211967 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 158213120036640 in words is "one hundred fifty-eight trillion, two hundred thirteen billion, one hundred twenty million, thirty-six thousand, six hundred forty".