161151275862 has 48 divisors (see below), whose sum is σ = 368968307760. Its totient is φ = 50691833856.

The previous prime is 161151275861. The next prime is 161151275869. The reversal of 161151275862 is 268572151161.

161151275862 is a `hidden beast` number, since 1 + 6 + 1 + 1 + 512 + 75 + 8 + 62 = 666.

161151275862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161151275861) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 828843 + ... + 1004630.

It is an arithmetic number, because the mean of its divisors is an integer number (7686839745).

Almost surely, 2^161151275862 is an apocalyptic number.

161151275862 is an abundant number, since it is smaller than the sum of its proper divisors (207817031898).

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

161151275862 is a wasteful number, since it uses less digits than its factorization.

161151275862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833757 (or 1833754 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The spelling of 161151275862 in words is "one hundred sixty-one billion, one hundred fifty-one million, two hundred seventy-five thousand, eight hundred sixty-two".