16695561056680 has 32 divisors (see below), whose sum is σ = 40980013503840. Its totient is φ = 6071113111360.

The previous prime is 16695561056659. The next prime is 16695561056743. The reversal of 16695561056680 is 8665016559661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18972228034 + ... + 18972228913.

It is an arithmetic number, because the mean of its divisors is an integer number (1280625421995).

Almost surely, 2^{16695561056680} is an apocalyptic number.

16695561056680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16695561056680 is an abundant number, since it is smaller than the sum of its proper divisors (24284452447160).

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

16695561056680 is a wasteful number, since it uses less digits than its factorization.

16695561056680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37944456969 (or 37944456965 counting only the distinct ones).

The product of its (nonzero) digits is 69984000, while the sum is 64.

The spelling of 16695561056680 in words is "sixteen trillion, six hundred ninety-five billion, five hundred sixty-one million, fifty-six thousand, six hundred eighty".