164884490949516 has 48 divisors (see below), whose sum is σ = 414331931623008. Its totient is φ = 50732856806400.

The previous prime is 164884490949499. The next prime is 164884490949517. The reversal of 164884490949516 is 615949094488461.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is not an unprimeable number, because it can be changed into a prime (164884490949517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894436 + ... + 18181556.

It is an arithmetic number, because the mean of its divisors is an integer number (8631915242146).

Almost surely, 2^{164884490949516} is an apocalyptic number.

It is an amenable number.

164884490949516 is an abundant number, since it is smaller than the sum of its proper divisors (249447440673492).

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

164884490949516 is a wasteful number, since it uses less digits than its factorization.

164884490949516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17348282 (or 17348280 counting only the distinct ones).

The product of its (nonzero) digits is 2149908480, while the sum is 78.

The spelling of 164884490949516 in words is "one hundred sixty-four trillion, eight hundred eighty-four billion, four hundred ninety million, nine hundred forty-nine thousand, five hundred sixteen".