155697116 has 12 divisors (see below), whose sum is σ = 272670888. Its totient is φ = 77791152.

The previous prime is 155697089. The next prime is 155697119. The reversal of 155697116 is 611796551.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155697119) 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, 7931 + ... + 19346.

It is an arithmetic number, because the mean of its divisors is an integer number (22722574).

Almost surely, 2^155697116 is an apocalyptic number.

It is an amenable number.

155697116 is a deficient number, since it is larger than the sum of its proper divisors (116973772).

155697116 is a wasteful number, since it uses less digits than its factorization.

155697116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28708 (or 28706 counting only the distinct ones).

The product of its digits is 56700, while the sum is 41.

The square root of 155697116 is about 12477.8650417449. The cubic root of 155697116 is about 537.9726404093.

The spelling of 155697116 in words is "one hundred fifty-five million, six hundred ninety-seven thousand, one hundred sixteen".