158966055 has 24 divisors (see below), whose sum is σ = 281952528. Its totient is φ = 82809216.

The previous prime is 158966029. The next prime is 158966069. The reversal of 158966055 is 550669851.

It is a happy number.

158966055 is a `hidden beast` number, since 1 + 589 + 6 + 60 + 5 + 5 = 666.

158966055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158966055 - 2¹⁷ = 158834983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 158966055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39142 + ... + 43011.

It is an arithmetic number, because the mean of its divisors is an integer number (11748022).

Almost surely, 2^158966055 is an apocalyptic number.

158966055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158966055 is a deficient number, since it is larger than the sum of its proper divisors (122986473).

158966055 is a wasteful number, since it uses less digits than its factorization.

158966055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82207 (or 82204 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The square root of 158966055 is about 12608.1741342670. The cubic root of 158966055 is about 541.7115959050.

The spelling of 158966055 in words is "one hundred fifty-eight million, nine hundred sixty-six thousand, fifty-five".