153555940836 has 36 divisors (see below), whose sum is σ = 402531419472. Its totient is φ = 51185313288.

The previous prime is 153555940787. The next prime is 153555940841. The reversal of 153555940836 is 638049555351.

153555940836 is a `hidden beast` number, since 1 + 5 + 3 + 5 + 559 + 4 + 0 + 83 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78988710 + ... + 78990653.

Almost surely, 2^153555940836 is an apocalyptic number.

It is an amenable number.

153555940836 is an abundant number, since it is smaller than the sum of its proper divisors (248975478636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153555940836 is a wasteful number, since it uses less digits than its factorization.

153555940836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157979382 (or 157979368 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 54.

The spelling of 153555940836 in words is "one hundred fifty-three billion, five hundred fifty-five million, nine hundred forty thousand, eight hundred thirty-six".