16684670051 has 24 divisors (see below), whose sum is σ = 20982501120. Its totient is φ = 12959336016.

The previous prime is 16684670029. The next prime is 16684670059. The reversal of 16684670051 is 15007648661.

It is not a de Polignac number, because 16684670051 - 2¹⁸ = 16684407907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16684669984 and 16684670011.

It is not an unprimeable number, because it can be changed into a prime (16684670059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48215 + ... + 188928.

It is an arithmetic number, because the mean of its divisors is an integer number (874270880).

Almost surely, 2^16684670051 is an apocalyptic number.

16684670051 is a deficient number, since it is larger than the sum of its proper divisors (4297831069).

16684670051 is a wasteful number, since it uses less digits than its factorization.

16684670051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237215 (or 237192 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 16684670051 in words is "sixteen billion, six hundred eighty-four million, six hundred seventy thousand, fifty-one".