158377856 has 64 divisors (see below), whose sum is σ = 388358880. Its totient is φ = 62650368.

The previous prime is 158377823. The next prime is 158377859. The reversal of 158377856 is 658773851.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158377859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4850 + ... + 18446.

Almost surely, 2^158377856 is an apocalyptic number.

158377856 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 158377856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194179440).

158377856 is an abundant number, since it is smaller than the sum of its proper divisors (229981024).

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

158377856 is a wasteful number, since it uses less digits than its factorization.

158377856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13631 (or 13619 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 50.

The square root of 158377856 is about 12584.8264191446. The cubic root of 158377856 is about 541.0426312268.

The spelling of 158377856 in words is "one hundred fifty-eight million, three hundred seventy-seven thousand, eight hundred fifty-six".