15668109430 has 16 divisors (see below), whose sum is σ = 28248169680. Its totient is φ = 6257116512.

The previous prime is 15668109389. The next prime is 15668109439. The reversal of 15668109430 is 3490186651.

15668109430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15668109430² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15668109439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259409 + ... + 1271788.

It is an arithmetic number, because the mean of its divisors is an integer number (1765510605).

Almost surely, 2^15668109430 is an apocalyptic number.

15668109430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15668109430 is a deficient number, since it is larger than the sum of its proper divisors (12580060250).

15668109430 is a wasteful number, since it uses less digits than its factorization.

15668109430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531823.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 15668109430 in words is "fifteen billion, six hundred sixty-eight million, one hundred nine thousand, four hundred thirty".