158106816 has 140 divisors (see below), whose sum is σ = 535755088. Its totient is φ = 45163008.

The previous prime is 158106797. The next prime is 158106821. The reversal of 158106816 is 618601851.

158106816 is a `hidden beast` number, since 1 + 581 + 0 + 68 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34110 + ... + 38466.

Almost surely, 2^158106816 is an apocalyptic number.

158106816 is a gapful number since it is divisible by the number (16) 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 158106816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267877544).

158106816 is an abundant number, since it is smaller than the sum of its proper divisors (377648272).

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

158106816 is an equidigital number, since it uses as much as digits as its factorization.

158106816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388 (or 4369 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 158106816 is about 12574.0532844425. The cubic root of 158106816 is about 540.7338171638.

The spelling of 158106816 in words is "one hundred fifty-eight million, one hundred six thousand, eight hundred sixteen".