161147801934882 has 48 divisors (see below), whose sum is σ = 399039212212992. Its totient is φ = 46041472224000.

The previous prime is 161147801934871. The next prime is 161147801934893. The reversal of 161147801934882 is 288439108741161.

161147801934882 is a `hidden beast` number, since 1 + 6 + 1 + 147 + 8 + 0 + 1 + 9 + 3 + 488 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (161147801934871) and next prime (161147801934893).

It is a super-2 number, since 2×161147801934882² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2795119 + ... + 18168882.

It is an arithmetic number, because the mean of its divisors is an integer number (8313316921104).

Almost surely, 2^{161147801934882} is an apocalyptic number.

161147801934882 is an abundant number, since it is smaller than the sum of its proper divisors (237891410278110).

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

161147801934882 is a wasteful number, since it uses less digits than its factorization.

161147801934882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21025023 (or 21025020 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 63.

The spelling of 161147801934882 in words is "one hundred sixty-one trillion, one hundred forty-seven billion, eight hundred one million, nine hundred thirty-four thousand, eight hundred eighty-two".