155831368 has 96 divisors (see below), whose sum is σ = 376747200. Its totient is φ = 59740800.

The previous prime is 155831363. The next prime is 155831399. The reversal of 155831368 is 863138551.

Its product of digits (86400) is a multiple of the sum of its prime divisors (600).

It is a self number, because there is not a number n which added to its sum of digits gives 155831368.

It is not an unprimeable number, because it can be changed into a prime (155831363) 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 23 ways as a sum of consecutive naturals, for example, 305898 + ... + 306406.

It is an arithmetic number, because the mean of its divisors is an integer number (3924450).

Almost surely, 2^155831368 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 155831368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188373600).

155831368 is an abundant number, since it is smaller than the sum of its proper divisors (220915832).

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

155831368 is a wasteful number, since it uses less digits than its factorization.

155831368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 600 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 155831368 is about 12483.2434887733. The cubic root of 155831368 is about 538.1272207809.

The spelling of 155831368 in words is "one hundred fifty-five million, eight hundred thirty-one thousand, three hundred sixty-eight".