16900394255 has 4 divisors (see below), whose sum is σ = 20280473112. Its totient is φ = 13520315400.

The previous prime is 16900394237. The next prime is 16900394257. The reversal of 16900394255 is 55249300961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55249300961 = 29 ⋅1905148309.

It is not a de Polignac number, because 16900394255 - 2¹⁰ = 16900393231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16900394257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690039421 + ... + 1690039430.

It is an arithmetic number, because the mean of its divisors is an integer number (5070118278).

Almost surely, 2^16900394255 is an apocalyptic number.

16900394255 is a deficient number, since it is larger than the sum of its proper divisors (3380078857).

16900394255 is an equidigital number, since it uses as much as digits as its factorization.

16900394255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380078856.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 16900394255 in words is "sixteen billion, nine hundred million, three hundred ninety-four thousand, two hundred fifty-five".