666434150 has 48 divisors (see below), whose sum is σ = 1286971200. Its totient is φ = 256569600.

The previous prime is 666434117. The next prime is 666434173. The reversal of 666434150 is 51434666.

It is a self number, because there is not a number n which added to its sum of digits gives 666434150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141026 + ... + 145674.

It is an arithmetic number, because the mean of its divisors is an integer number (26811900).

Almost surely, 2^666434150 is an apocalyptic number.

666434150 is a deficient number, since it is larger than the sum of its proper divisors (620537050).

666434150 is a wasteful number, since it uses less digits than its factorization.

666434150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769 (or 4764 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 666434150 is about 25815.3859161547. The cubic root of 666434150 is about 873.4788919178.

The spelling of 666434150 in words is "six hundred sixty-six million, four hundred thirty-four thousand, one hundred fifty".