16811670929 has 2 divisors, whose sum is σ = 16811670930. Its totient is φ = 16811670928.

The previous prime is 16811670857. The next prime is 16811670949. The reversal of 16811670929 is 92907611861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9764404225 + 7047266704 = 98815^2 + 83948^2 .

It is a cyclic number.

It is not a de Polignac number, because 16811670929 - 2²⁸ = 16543235473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16811670949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8405835464 + 8405835465.

It is an arithmetic number, because the mean of its divisors is an integer number (8405835465).

Almost surely, 2^16811670929 is an apocalyptic number.

It is an amenable number.

16811670929 is a deficient number, since it is larger than the sum of its proper divisors (1).

16811670929 is an equidigital number, since it uses as much as digits as its factorization.

16811670929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 50.

The spelling of 16811670929 in words is "sixteen billion, eight hundred eleven million, six hundred seventy thousand, nine hundred twenty-nine".