161447982850476 has 96 divisors (see below), whose sum is σ = 485504160852480. Its totient is φ = 45439517547072.

The previous prime is 161447982850403. The next prime is 161447982850507. The reversal of 161447982850476 is 674058289744161.

161447982850476 is a `hidden beast` number, since 1 + 6 + 1 + 4 + 4 + 7 + 98 + 28 + 504 + 7 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1593647355 + ... + 1593748658.

It is an arithmetic number, because the mean of its divisors is an integer number (5057335008880).

Almost surely, 2^{161447982850476} is an apocalyptic number.

It is an amenable number.

161447982850476 is an abundant number, since it is smaller than the sum of its proper divisors (324056178002004).

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

161447982850476 is a wasteful number, since it uses less digits than its factorization.

161447982850476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187396100 (or 3187396092 counting only the distinct ones).

The product of its (nonzero) digits is 650280960, while the sum is 72.

The spelling of 161447982850476 in words is "one hundred sixty-one trillion, four hundred forty-seven billion, nine hundred eighty-two million, eight hundred fifty thousand, four hundred seventy-six".