666029152 has 24 divisors (see below), whose sum is σ = 1321262712. Its totient is φ = 330470400.

The previous prime is 666029149. The next prime is 666029153. The reversal of 666029152 is 251920666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666029153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75249 + ... + 83632.

It is an arithmetic number, because the mean of its divisors is an integer number (55052613).

Almost surely, 2^666029152 is an apocalyptic number.

It is an amenable number.

666029152 is a deficient number, since it is larger than the sum of its proper divisors (655233560).

666029152 is a wasteful number, since it uses less digits than its factorization.

666029152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159022 (or 159014 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 666029152 is about 25807.5406034748. The cubic root of 666029152 is about 873.3019157485.

The spelling of 666029152 in words is "six hundred sixty-six million, twenty-nine thousand, one hundred fifty-two".