16434031605 has 32 divisors (see below), whose sum is σ = 27321148800. Its totient is φ = 8425251072.

The previous prime is 16434031501. The next prime is 16434031637. The reversal of 16434031605 is 50613043461.

It is not a de Polignac number, because 16434031605 - 2¹⁸ = 16433769461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15531 + ... + 181959.

It is an arithmetic number, because the mean of its divisors is an integer number (853785900).

Almost surely, 2^16434031605 is an apocalyptic number.

16434031605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16434031605 is a deficient number, since it is larger than the sum of its proper divisors (10887117195).

16434031605 is a wasteful number, since it uses less digits than its factorization.

16434031605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166693.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 16434031605 in words is "sixteen billion, four hundred thirty-four million, thirty-one thousand, six hundred five".