16172043470 has 32 divisors (see below), whose sum is σ = 31856258016. Its totient is φ = 5862179200.

The previous prime is 16172043463. The next prime is 16172043473. The reversal of 16172043470 is 7434027161.

It is a self number, because there is not a number n which added to its sum of digits gives 16172043470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16172043473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197021 + ... + 266760.

It is an arithmetic number, because the mean of its divisors is an integer number (995508063).

Almost surely, 2^16172043470 is an apocalyptic number.

16172043470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16172043470 is a deficient number, since it is larger than the sum of its proper divisors (15684214546).

16172043470 is a wasteful number, since it uses less digits than its factorization.

16172043470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464116.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 16172043470 in words is "sixteen billion, one hundred seventy-two million, forty-three thousand, four hundred seventy".