161876094824 has 8 divisors (see below), whose sum is σ = 303517677810. Its totient is φ = 80938047408.

The previous prime is 161876094803. The next prime is 161876094829. The reversal of 161876094824 is 428490678161.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 95801392324 + 66074702500 = 309518^2 + 257050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 161876094824.

It is not an unprimeable number, because it can be changed into a prime (161876094829) 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 as a sum of consecutive naturals, namely, 10117255919 + ... + 10117255934.

Almost surely, 2^161876094824 is an apocalyptic number.

It is an amenable number.

161876094824 is a deficient number, since it is larger than the sum of its proper divisors (141641582986).

161876094824 is a wasteful number, since it uses less digits than its factorization.

161876094824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20234511859 (or 20234511855 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 161876094824 in words is "one hundred sixty-one billion, eight hundred seventy-six million, ninety-four thousand, eight hundred twenty-four".