16903859434 has 32 divisors (see below), whose sum is σ = 31697271936. Its totient is φ = 6568240320.

The previous prime is 16903859363. The next prime is 16903859461. The reversal of 16903859434 is 43495830961.

It is a happy 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, 89697 + ... + 204580.

It is an arithmetic number, because the mean of its divisors is an integer number (990539748).

Almost surely, 2^16903859434 is an apocalyptic number.

16903859434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16903859434 is a deficient number, since it is larger than the sum of its proper divisors (14793412502).

16903859434 is a wasteful number, since it uses less digits than its factorization.

16903859434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294670.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 16903859434 in words is "sixteen billion, nine hundred three million, eight hundred fifty-nine thousand, four hundred thirty-four".