16664653371235 has 32 divisors (see below), whose sum is σ = 20605703208192. Its totient is φ = 12931404595200.

The previous prime is 16664653371211. The next prime is 16664653371239. The reversal of 16664653371235 is 53217335646661.

It is not a de Polignac number, because 16664653371235 - 2¹⁵ = 16664653338467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16664653371235.

It is not an unprimeable number, because it can be changed into a prime (16664653371239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382396767 + ... + 382440343.

It is an arithmetic number, because the mean of its divisors is an integer number (643928225256).

Almost surely, 2^{16664653371235} is an apocalyptic number.

16664653371235 is a deficient number, since it is larger than the sum of its proper divisors (3941049836957).

16664653371235 is a wasteful number, since it uses less digits than its factorization.

16664653371235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58143.

The product of its digits is 48988800, while the sum is 58.

The spelling of 16664653371235 in words is "sixteen trillion, six hundred sixty-four billion, six hundred fifty-three million, three hundred seventy-one thousand, two hundred thirty-five".