16115666152 has 16 divisors (see below), whose sum is σ = 30348828900. Its totient is φ = 8022645120.

The previous prime is 16115666131. The next prime is 16115666167. The reversal of 16115666152 is 25166651161.

It can be written as a sum of positive squares in 2 ways, for example, as 15953205636 + 162460516 = 126306^2 + 12746^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4396549 + ... + 4400212.

Almost surely, 2^16115666152 is an apocalyptic number.

It is an amenable number.

16115666152 is a deficient number, since it is larger than the sum of its proper divisors (14233162748).

16115666152 is a wasteful number, since it uses less digits than its factorization.

16115666152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8796996 (or 8796992 counting only the distinct ones).

The product of its digits is 64800, while the sum is 40.

The spelling of 16115666152 in words is "sixteen billion, one hundred fifteen million, six hundred sixty-six thousand, one hundred fifty-two".