155696 has 20 divisors (see below), whose sum is σ = 310992. Its totient is φ = 75456.

The previous prime is 155693. The next prime is 155699. The reversal of 155696 is 696551.

It is an interprime number because it is at equal distance from previous prime (155693) and next prime (155699).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461 + ... + 723.

2¹⁵⁵⁶⁹⁶ is an apocalyptic number.

155696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155696 is a deficient number, since it is larger than the sum of its proper divisors (155296).

155696 is a wasteful number, since it uses less digits than its factorization.

155696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 302 counting only the distinct ones).

The product of its digits is 8100, while the sum is 32.

The square root of 155696 is about 394.5833245336. The cubic root of 155696 is about 53.7971355053.

It can be divided in two parts, 155 and 696, that multiplied together give a triangular number (107880 = T₄₆₄).

The spelling of 155696 in words is "one hundred fifty-five thousand, six hundred ninety-six".