666029114 has 4 divisors (see below), whose sum is σ = 999043674. Its totient is φ = 333014556.

The previous prime is 666029099. The next prime is 666029129. The reversal of 666029114 is 411920666.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 411920666 = 2 ⋅205960333.

It is an interprime number because it is at equal distance from previous prime (666029099) and next prime (666029129).

It can be written as a sum of positive squares in only one way, i.e., 639331225 + 26697889 = 25285^2 + 5167^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166507277 + ... + 166507280.

Almost surely, 2^666029114 is an apocalyptic number.

666029114 is a deficient number, since it is larger than the sum of its proper divisors (333014560).

666029114 is a wasteful number, since it uses less digits than its factorization.

666029114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333014559.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 666029114 is about 25807.5398672558. The cubic root of 666029114 is about 873.3018991399.

The spelling of 666029114 in words is "six hundred sixty-six million, twenty-nine thousand, one hundred fourteen".