551602140156 has 36 divisors (see below), whose sum is σ = 1423994181792. Its totient is φ = 179955307584.

The previous prime is 551602140127. The next prime is 551602140163. The reversal of 551602140156 is 651041206155.

551602140156 is a `hidden beast` number, since 5 + 5 + 1 + 602 + 1 + 40 + 1 + 5 + 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 (36).

It is a self number, because there is not a number n which added to its sum of digits gives 551602140156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163001305 + ... + 163004688.

Almost surely, 2^551602140156 is an apocalyptic number.

It is an amenable number.

551602140156 is an abundant number, since it is smaller than the sum of its proper divisors (872392041636).

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

551602140156 is a wasteful number, since it uses less digits than its factorization.

551602140156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326006050 (or 326006045 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 551602140156 in words is "five hundred fifty-one billion, six hundred two million, one hundred forty thousand, one hundred fifty-six".