16631942430 has 16 divisors (see below), whose sum is σ = 39916661904. Its totient is φ = 4435184640.

The previous prime is 16631942399. The next prime is 16631942441. The reversal of 16631942430 is 3424913661.

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, 277199011 + ... + 277199070.

It is an arithmetic number, because the mean of its divisors is an integer number (2494791369).

Almost surely, 2^16631942430 is an apocalyptic number.

16631942430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16631942430 is an abundant number, since it is smaller than the sum of its proper divisors (23284719474).

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

16631942430 is a wasteful number, since it uses less digits than its factorization.

16631942430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554398091.

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 16631942430 in words is "sixteen billion, six hundred thirty-one million, nine hundred forty-two thousand, four hundred thirty".