155891696 has 20 divisors (see below), whose sum is σ = 302330352. Its totient is φ = 77870976.

The previous prime is 155891639. The next prime is 155891699. The reversal of 155891696 is 696198551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155891699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15005 + ... + 23171.

Almost surely, 2^155891696 is an apocalyptic number.

155891696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155891696 is a deficient number, since it is larger than the sum of its proper divisors (146438656).

155891696 is a wasteful number, since it uses less digits than its factorization.

155891696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9368 (or 9362 counting only the distinct ones).

The product of its digits is 583200, while the sum is 50.

The square root of 155891696 is about 12485.6596141333. The cubic root of 155891696 is about 538.1966547059.

The spelling of 155891696 in words is "one hundred fifty-five million, eight hundred ninety-one thousand, six hundred ninety-six".