16909605552801 has 64 divisors (see below), whose sum is σ = 24630373797120. Its totient is φ = 10256716800000.

The previous prime is 16909605552797. The next prime is 16909605552817. The reversal of 16909605552801 is 10825550690961.

It is a happy number.

It is not a de Polignac number, because 16909605552801 - 2² = 16909605552797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16909605552871) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2966074251 + ... + 2966079951.

It is an arithmetic number, because the mean of its divisors is an integer number (384849590580).

Almost surely, 2^{16909605552801} is an apocalyptic number.

It is an amenable number.

16909605552801 is a deficient number, since it is larger than the sum of its proper divisors (7720768244319).

16909605552801 is a wasteful number, since it uses less digits than its factorization.

16909605552801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8338.

The product of its (nonzero) digits is 5832000, while the sum is 57.

The spelling of 16909605552801 in words is "sixteen trillion, nine hundred nine billion, six hundred five million, five hundred fifty-two thousand, eight hundred one".