155823696 has 120 divisors (see below), whose sum is σ = 513429440. Its totient is φ = 44324928.

The previous prime is 155823677. The next prime is 155823713. The reversal of 155823696 is 696328551.

155823696 is a `hidden beast` number, since 1 + 5 + 582 + 3 + 69 + 6 = 666.

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, 686335 + ... + 686561.

Almost surely, 2^155823696 is an apocalyptic number.

155823696 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 155823696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256714720).

155823696 is an abundant number, since it is smaller than the sum of its proper divisors (357605744).

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

155823696 is an equidigital number, since it uses as much as digits as its factorization.

155823696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 239 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 155823696 is about 12482.9361930597. The cubic root of 155823696 is about 538.1183894828.

Subtracting from 155823696 its product of digits (388800), we obtain a triangular number (155434896 = T₁₇₆₃₁).

The spelling of 155823696 in words is "one hundred fifty-five million, eight hundred twenty-three thousand, six hundred ninety-six".