200156451165 has 64 divisors (see below), whose sum is σ = 400704307200. Its totient is φ = 93915028800.

The previous prime is 200156451161. The next prime is 200156451169. The reversal of 200156451165 is 561154651002.

200156451165 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 5 + 645 + 1 + 1 + 6 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (200156451161) and next prime (200156451169).

It is not a de Polignac number, because 200156451165 - 2² = 200156451161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200156451161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2127925 + ... + 2219994.

It is an arithmetic number, because the mean of its divisors is an integer number (6261004800).

Almost surely, 2^200156451165 is an apocalyptic number.

It is an amenable number.

200156451165 is an abundant number, since it is smaller than the sum of its proper divisors (200547856035).

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

200156451165 is a wasteful number, since it uses less digits than its factorization.

200156451165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347975 (or 4347969 counting only the distinct ones).

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

The spelling of 200156451165 in words is "two hundred billion, one hundred fifty-six million, four hundred fifty-one thousand, one hundred sixty-five".