666151112 has 32 divisors (see below), whose sum is σ = 1409572800. Its totient is φ = 292353600.

The previous prime is 666151099. The next prime is 666151151. The reversal of 666151112 is 211151666.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 127964 + ... + 133067.

It is an arithmetic number, because the mean of its divisors is an integer number (44049150).

Almost surely, 2^666151112 is an apocalyptic number.

It is an amenable number.

666151112 is an abundant number, since it is smaller than the sum of its proper divisors (743421688).

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

666151112 is a wasteful number, since it uses less digits than its factorization.

666151112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261077 (or 261073 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 666151112 is about 25809.9033706056. The cubic root of 666151112 is about 873.3552174200.

The spelling of 666151112 in words is "six hundred sixty-six million, one hundred fifty-one thousand, one hundred twelve".