102161390664 has 64 divisors (see below), whose sum is σ = 259759146240. Its totient is φ = 33477903680.

The previous prime is 102161390663. The next prime is 102161390693. The reversal of 102161390664 is 466093161201.

It is not an unprimeable number, because it can be changed into a prime (102161390663) 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 in 15 ways as a sum of consecutive naturals, for example, 184567 + ... + 488249.

It is an arithmetic number, because the mean of its divisors is an integer number (4058736660).

Almost surely, 2^102161390664 is an apocalyptic number.

It is an amenable number.

102161390664 is an abundant number, since it is smaller than the sum of its proper divisors (157597755576).

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

102161390664 is a wasteful number, since it uses less digits than its factorization.

102161390664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303930 (or 303926 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 102161390664 in words is "one hundred two billion, one hundred sixty-one million, three hundred ninety thousand, six hundred sixty-four".