158921260 has 48 divisors (see below), whose sum is σ = 350433216. Its totient is φ = 60422912.

The previous prime is 158921239. The next prime is 158921281. The reversal of 158921260 is 62129851.

158921260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158921239) and next prime (158921281).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78582 + ... + 80578.

It is an arithmetic number, because the mean of its divisors is an integer number (7300692).

Almost surely, 2^158921260 is an apocalyptic number.

158921260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158921260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175216608).

158921260 is an abundant number, since it is smaller than the sum of its proper divisors (191511956).

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

158921260 is a wasteful number, since it uses less digits than its factorization.

158921260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 158921260 is about 12606.3975821802. The cubic root of 158921260 is about 541.6607082053.

The spelling of 158921260 in words is "one hundred fifty-eight million, nine hundred twenty-one thousand, two hundred sixty".