16840338934 has 32 divisors (see below), whose sum is σ = 26162541216. Its totient is φ = 8124487680.

The previous prime is 16840338919. The next prime is 16840338943. The reversal of 16840338934 is 43983304861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3176574 + ... + 3181870.

It is an arithmetic number, because the mean of its divisors is an integer number (817579413).

Almost surely, 2^16840338934 is an apocalyptic number.

16840338934 is a deficient number, since it is larger than the sum of its proper divisors (9322202282).

16840338934 is a wasteful number, since it uses less digits than its factorization.

16840338934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 16840338934 in words is "sixteen billion, eight hundred forty million, three hundred thirty-eight thousand, nine hundred thirty-four".