16707521344664 has 64 divisors (see below), whose sum is σ = 31846421376000. Its totient is φ = 8216621371264.

The previous prime is 16707521344663. The next prime is 16707521344721. The reversal of 16707521344664 is 46644312570761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16707521344663) 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, 52194269 + ... + 52513395.

It is an arithmetic number, because the mean of its divisors is an integer number (497600334000).

Almost surely, 2^{16707521344664} is an apocalyptic number.

It is an amenable number.

16707521344664 is a deficient number, since it is larger than the sum of its proper divisors (15138900031336).

16707521344664 is a wasteful number, since it uses less digits than its factorization.

16707521344664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319712 (or 319708 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 16707521344664 in words is "sixteen trillion, seven hundred seven billion, five hundred twenty-one million, three hundred forty-four thousand, six hundred sixty-four".