15966941424 has 40 divisors (see below), whose sum is σ = 47140494720. Its totient is φ = 4561983168.

The previous prime is 15966941411. The next prime is 15966941443. The reversal of 15966941424 is 42414966951.

It is a happy number.

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, 23759994 + ... + 23760665.

It is an arithmetic number, because the mean of its divisors is an integer number (1178512368).

Almost surely, 2^15966941424 is an apocalyptic number.

15966941424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15966941424 is an abundant number, since it is smaller than the sum of its proper divisors (31173553296).

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

15966941424 is a wasteful number, since it uses less digits than its factorization.

15966941424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47520677 (or 47520671 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The spelling of 15966941424 in words is "fifteen billion, nine hundred sixty-six million, nine hundred forty-one thousand, four hundred twenty-four".