181147864763076 has 24 divisors (see below), whose sum is σ = 426863285286144. Its totient is φ = 59784773848800.

The previous prime is 181147864763003. The next prime is 181147864763083. The reversal of 181147864763076 is 670367468741181.

It is a super-2 number, since 2×181147864763076² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 181147864763076.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 74730966100 + ... + 74730968523.

It is an arithmetic number, because the mean of its divisors is an integer number (17785970220256).

Almost surely, 2^{181147864763076} is an apocalyptic number.

It is an amenable number.

181147864763076 is an abundant number, since it is smaller than the sum of its proper divisors (245715420523068).

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

181147864763076 is a wasteful number, since it uses less digits than its factorization.

181147864763076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149461934731 (or 149461934729 counting only the distinct ones).

The product of its (nonzero) digits is 227598336, while the sum is 69.

The spelling of 181147864763076 in words is "one hundred eighty-one trillion, one hundred forty-seven billion, eight hundred sixty-four million, seven hundred sixty-three thousand, seventy-six".