158190956 has 48 divisors (see below), whose sum is σ = 353590272. Its totient is φ = 60124800.

The previous prime is 158190887. The next prime is 158190959. The reversal of 158190956 is 659091851.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (158190959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6365 + ... + 18891.

It is an arithmetic number, because the mean of its divisors is an integer number (7366464).

Almost surely, 2^158190956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158190956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176795136).

158190956 is an abundant number, since it is smaller than the sum of its proper divisors (195399316).

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

158190956 is a wasteful number, since it uses less digits than its factorization.

158190956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590 (or 12588 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 44.

The square root of 158190956 is about 12577.3986181563. The cubic root of 158190956 is about 540.8297212623.

The spelling of 158190956 in words is "one hundred fifty-eight million, one hundred ninety thousand, nine hundred fifty-six".