155168136 has 96 divisors (see below), whose sum is σ = 458858400. Its totient is φ = 48988800.

The previous prime is 155168107. The next prime is 155168177. The reversal of 155168136 is 631861551.

155168136 is a `hidden beast` number, since 1 + 5 + 516 + 8 + 136 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 155168136.

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, 34836 + ... + 39036.

It is an arithmetic number, because the mean of its divisors is an integer number (4779775).

Almost surely, 2^155168136 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 155168136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229429200).

155168136 is an abundant number, since it is smaller than the sum of its proper divisors (303690264).

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

155168136 is a wasteful number, since it uses less digits than its factorization.

155168136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241 (or 4225 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 155168136 is about 12456.6502720434. The cubic root of 155168136 is about 537.3626962070.

The spelling of 155168136 in words is "one hundred fifty-five million, one hundred sixty-eight thousand, one hundred thirty-six".