16706502099 has 16 divisors (see below), whose sum is σ = 28286141440. Its totient is φ = 9546572520.

The previous prime is 16706502083. The next prime is 16706502103. The reversal of 16706502099 is 99020560761.

It is a happy number.

It is not a de Polignac number, because 16706502099 - 2⁴ = 16706502083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16706504099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44196907 + ... + 44197284.

It is an arithmetic number, because the mean of its divisors is an integer number (1767883840).

Almost surely, 2^16706502099 is an apocalyptic number.

16706502099 is a deficient number, since it is larger than the sum of its proper divisors (11579639341).

16706502099 is an equidigital number, since it uses as much as digits as its factorization.

16706502099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88394207 (or 88394201 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 16706502099 in words is "sixteen billion, seven hundred six million, five hundred two thousand, ninety-nine".