16173044430 has 16 divisors (see below), whose sum is σ = 38815306704. Its totient is φ = 4312811840.

The previous prime is 16173044383. The next prime is 16173044467. The reversal of 16173044430 is 3444037161.

It is a super-2 number, since 2×16173044430² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16173044391 and 16173044400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269550711 + ... + 269550770.

It is an arithmetic number, because the mean of its divisors is an integer number (2425956669).

Almost surely, 2^16173044430 is an apocalyptic number.

16173044430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16173044430 is an abundant number, since it is smaller than the sum of its proper divisors (22642262274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16173044430 is a wasteful number, since it uses less digits than its factorization.

16173044430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539101491.

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 16173044430 in words is "sixteen billion, one hundred seventy-three million, forty-four thousand, four hundred thirty".