15966745104 has 40 divisors (see below), whose sum is σ = 41253427072. Its totient is φ = 5321473920.

The previous prime is 15966745103. The next prime is 15966745121. The reversal of 15966745104 is 40154766951.

It is a super-2 number, since 2×15966745104² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (15966745103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378009 + ... + 418119.

Almost surely, 2^15966745104 is an apocalyptic number.

It is an amenable number.

15966745104 is an abundant number, since it is smaller than the sum of its proper divisors (25286681968).

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

15966745104 is a wasteful number, since it uses less digits than its factorization.

15966745104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48415 (or 48409 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 15966745104 in words is "fifteen billion, nine hundred sixty-six million, seven hundred forty-five thousand, one hundred four".