155688896 has 112 divisors (see below), whose sum is σ = 356737920. Its totient is φ = 66769920.

The previous prime is 155688889. The next prime is 155688917. The reversal of 155688896 is 698886551.

155688896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119995 + ... + 1120133.

It is an arithmetic number, because the mean of its divisors is an integer number (3185160).

Almost surely, 2^155688896 is an apocalyptic number.

155688896 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 155688896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178368960).

155688896 is an abundant number, since it is smaller than the sum of its proper divisors (201049024).

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

155688896 is a wasteful number, since it uses less digits than its factorization.

155688896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 232 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 56.

The square root of 155688896 is about 12477.5356541266. The cubic root of 155688896 is about 537.9631728545.

The spelling of 155688896 in words is "one hundred fifty-five million, six hundred eighty-eight thousand, eight hundred ninety-six".