16266994663404 has 96 divisors (see below), whose sum is σ = 38664441446400. Its totient is φ = 5321486237760.

The previous prime is 16266994663327. The next prime is 16266994663471. The reversal of 16266994663404 is 40436649966261.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1680643437 + ... + 1680653115.

It is an arithmetic number, because the mean of its divisors is an integer number (402754598400).

Almost surely, 2^{16266994663404} is an apocalyptic number.

It is an amenable number.

16266994663404 is an abundant number, since it is smaller than the sum of its proper divisors (22397446782996).

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

16266994663404 is a wasteful number, since it uses less digits than its factorization.

16266994663404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13483 (or 13481 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 66.

The spelling of 16266994663404 in words is "sixteen trillion, two hundred sixty-six billion, nine hundred ninety-four million, six hundred sixty-three thousand, four hundred four".