16920968343 has 32 divisors (see below), whose sum is σ = 24876149760. Its totient is φ = 10182950400.

The previous prime is 16920968327. The next prime is 16920968347. The reversal of 16920968343 is 34386902961.

It is not a de Polignac number, because 16920968343 - 2⁴ = 16920968327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16920968347) 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 in 31 ways as a sum of consecutive naturals, for example, 185446 + ... + 261212.

It is an arithmetic number, because the mean of its divisors is an integer number (777379680).

Almost surely, 2^16920968343 is an apocalyptic number.

16920968343 is a deficient number, since it is larger than the sum of its proper divisors (7955181417).

16920968343 is a wasteful number, since it uses less digits than its factorization.

16920968343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75967.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 16920968343 in words is "sixteen billion, nine hundred twenty million, nine hundred sixty-eight thousand, three hundred forty-three".