16653690425668 has 48 divisors (see below), whose sum is σ = 30895478369280. Its totient is φ = 7841798674304.

The previous prime is 16653690425653. The next prime is 16653690425683. The reversal of 16653690425668 is 86652409635661.

16653690425668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16653690425653) and next prime (16653690425683).

It is a super-2 number, since 2×16653690425668² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3615196 + ... + 6810067.

It is an arithmetic number, because the mean of its divisors is an integer number (643655799360).

Almost surely, 2^{16653690425668} is an apocalyptic number.

It is an amenable number.

16653690425668 is a deficient number, since it is larger than the sum of its proper divisors (14241787943612).

16653690425668 is a wasteful number, since it uses less digits than its factorization.

16653690425668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10425636 (or 10425634 counting only the distinct ones).

The product of its (nonzero) digits is 335923200, while the sum is 67.

The spelling of 16653690425668 in words is "sixteen trillion, six hundred fifty-three billion, six hundred ninety million, four hundred twenty-five thousand, six hundred sixty-eight".