16306979973 has 16 divisors (see below), whose sum is σ = 21814565760. Its totient is φ = 10835399744.

The previous prime is 16306979929. The next prime is 16306979981. The reversal of 16306979973 is 37997960361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16306979973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16306979903) 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, 1878040 + ... + 1886702.

It is an arithmetic number, because the mean of its divisors is an integer number (1363410360).

Almost surely, 2^16306979973 is an apocalyptic number.

It is an amenable number.

16306979973 is a deficient number, since it is larger than the sum of its proper divisors (5507585787).

16306979973 is a wasteful number, since it uses less digits than its factorization.

16306979973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668.

The product of its (nonzero) digits is 11573604, while the sum is 60.

The spelling of 16306979973 in words is "sixteen billion, three hundred six million, nine hundred seventy-nine thousand, nine hundred seventy-three".