16974143430 has 64 divisors (see below), whose sum is σ = 42946364160. Its totient is φ = 4281773184.

The previous prime is 16974143429. The next prime is 16974143447. The reversal of 16974143430 is 3434147961.

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, 363897 + ... + 407883.

It is an arithmetic number, because the mean of its divisors is an integer number (671036940).

Almost surely, 2^16974143430 is an apocalyptic number.

16974143430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16974143430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21473182080).

16974143430 is an abundant number, since it is smaller than the sum of its proper divisors (25972220730).

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

16974143430 is a wasteful number, since it uses less digits than its factorization.

16974143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44693.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 16974143430 in words is "sixteen billion, nine hundred seventy-four million, one hundred forty-three thousand, four hundred thirty".