666631034 has 8 divisors (see below), whose sum is σ = 1043422560. Its totient is φ = 318823516.

The previous prime is 666631019. The next prime is 666631051. The reversal of 666631034 is 430136666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 666630985 and 666631003.

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, 7245944 + ... + 7246035.

It is an arithmetic number, because the mean of its divisors is an integer number (130427820).

Almost surely, 2^666631034 is an apocalyptic number.

666631034 is a deficient number, since it is larger than the sum of its proper divisors (376791526).

666631034 is a wasteful number, since it uses less digits than its factorization.

666631034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14492004.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 666631034 is about 25819.1989418727. The cubic root of 666631034 is about 873.5649004582.

The spelling of 666631034 in words is "six hundred sixty-six million, six hundred thirty-one thousand, thirty-four".