155560996 has 6 divisors (see below), whose sum is σ = 272231750. Its totient is φ = 77780496.

The previous prime is 155560957. The next prime is 155561027. The reversal of 155560996 is 699065551.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 92929600 + 62631396 = 9640^2 + 7914^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19445121 + ... + 19445128.

Almost surely, 2^155560996 is an apocalyptic number.

It is an amenable number.

155560996 is a deficient number, since it is larger than the sum of its proper divisors (116670754).

155560996 is a wasteful number, since it uses less digits than its factorization.

155560996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38890253 (or 38890251 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 46.

The square root of 155560996 is about 12472.4093903303. The cubic root of 155560996 is about 537.8158184367.

The spelling of 155560996 in words is "one hundred fifty-five million, five hundred sixty thousand, nine hundred ninety-six".