155751649949656 has 64 divisors (see below), whose sum is σ = 296025234082560. Its totient is φ = 76817401920000.

The previous prime is 155751649949627. The next prime is 155751649949711. The reversal of 155751649949656 is 656949946157551.

155751649949656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 155751649949656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2162250361 + ... + 2162322391.

It is an arithmetic number, because the mean of its divisors is an integer number (4625394282540).

Almost surely, 2^{155751649949656} is an apocalyptic number.

It is an amenable number.

155751649949656 is a deficient number, since it is larger than the sum of its proper divisors (140273584132904).

155751649949656 is a wasteful number, since it uses less digits than its factorization.

155751649949656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82076 (or 82072 counting only the distinct ones).

The product of its digits is 11022480000, while the sum is 82.

The spelling of 155751649949656 in words is "one hundred fifty-five trillion, seven hundred fifty-one billion, six hundred forty-nine million, nine hundred forty-nine thousand, six hundred fifty-six".