155690633196 has 384 divisors, whose sum is σ = 485388288000. Its totient is φ = 42221088000.

The previous prime is 155690633047. The next prime is 155690633227. The reversal of 155690633196 is 691336096551.

155690633196 is a `hidden beast` number, since 1 + 5 + 569 + 0 + 63 + 3 + 19 + 6 = 666.

155690633196 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 127 ways as a sum of consecutive naturals, for example, 433678465 + ... + 433678823.

It is an arithmetic number, because the mean of its divisors is an integer number (1264032000).

Almost surely, 2^155690633196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155690633196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242694144000).

155690633196 is an abundant number, since it is smaller than the sum of its proper divisors (329697654804).

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

155690633196 is a wasteful number, since it uses less digits than its factorization.

155690633196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 54.

The spelling of 155690633196 in words is "one hundred fifty-five billion, six hundred ninety million, six hundred thirty-three thousand, one hundred ninety-six".