155902968 has 192 divisors, whose sum is σ = 489216000. Its totient is φ = 46189440.

The previous prime is 155902939. The next prime is 155902987. The reversal of 155902968 is 869209551.

155902968 is a `hidden beast` number, since 1 + 559 + 0 + 2 + 96 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 783333 + ... + 783531.

It is an arithmetic number, because the mean of its divisors is an integer number (2548000).

Almost surely, 2^155902968 is an apocalyptic number.

155902968 is a gapful number since it is divisible by the number (18) 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 155902968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244608000).

155902968 is an abundant number, since it is smaller than the sum of its proper divisors (333313032).

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

155902968 is a wasteful number, since it uses less digits than its factorization.

155902968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 155902968 is about 12486.1110038314. Note that the first 3 decimals coincide. The cubic root of 155902968 is about 538.2096261184.

The spelling of 155902968 in words is "one hundred fifty-five million, nine hundred two thousand, nine hundred sixty-eight".