16994640083 has 4 divisors (see below), whose sum is σ = 17003352768. Its totient is φ = 16985927400.

The previous prime is 16994640071. The next prime is 16994640109. The reversal of 16994640083 is 38004649961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16994640083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16994640023) 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, 4353416 + ... + 4357317.

It is an arithmetic number, because the mean of its divisors is an integer number (4250838192).

Almost surely, 2^16994640083 is an apocalyptic number.

16994640083 is a deficient number, since it is larger than the sum of its proper divisors (8712685).

16994640083 is an equidigital number, since it uses as much as digits as its factorization.

16994640083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712684.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 16994640083 in words is "sixteen billion, nine hundred ninety-four million, six hundred forty thousand, eighty-three".