668127010 has 32 divisors (see below), whose sum is σ = 1237317120. Its totient is φ = 259641408.

The previous prime is 668126993. The next prime is 668127011. The reversal of 668127010 is 10721866.

It is not an unprimeable number, because it can be changed into a prime (668127011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48471 + ... + 60709.

It is an arithmetic number, because the mean of its divisors is an integer number (38666160).

Almost surely, 2^668127010 is an apocalyptic number.

668127010 is a deficient number, since it is larger than the sum of its proper divisors (569190110).

668127010 is a wasteful number, since it uses less digits than its factorization.

668127010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12402.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 668127010 is about 25848.1529320762. The cubic root of 668127010 is about 874.2178632562.

Adding to 668127010 its reverse (10721866), we get a palindrome (678848876).

The spelling of 668127010 in words is "six hundred sixty-eight million, one hundred twenty-seven thousand, ten".