668271107 has 8 divisors (see below), whose sum is σ = 771154176. Its totient is φ = 567241992.

The previous prime is 668271101. The next prime is 668271113. The reversal of 668271107 is 701172866.

It is an interprime number because it is at equal distance from previous prime (668271101) and next prime (668271113).

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

It is a cyclic number.

It is not a de Polignac number, because 668271107 - 2⁴ = 668271091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (668271101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462713 + ... + 464154.

It is an arithmetic number, because the mean of its divisors is an integer number (96394272).

Almost surely, 2^668271107 is an apocalyptic number.

668271107 is a deficient number, since it is larger than the sum of its proper divisors (102883069).

668271107 is a wasteful number, since it uses less digits than its factorization.

668271107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926977.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 668271107 is about 25850.9401569846. The cubic root of 668271107 is about 874.2807071538.

The spelling of 668271107 in words is "six hundred sixty-eight million, two hundred seventy-one thousand, one hundred seven".