666277060 has 48 divisors (see below), whose sum is σ = 1436827392. Its totient is φ = 259372800.

The previous prime is 666277057. The next prime is 666277063. The reversal of 666277060 is 60772666.

666277060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (666277057) and next prime (666277063).

It is not an unprimeable number, because it can be changed into a prime (666277063) 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, 467509 + ... + 468931.

It is an arithmetic number, because the mean of its divisors is an integer number (29933904).

Almost surely, 2^666277060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 666277060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718413696).

666277060 is an abundant number, since it is smaller than the sum of its proper divisors (770550332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

666277060 is a wasteful number, since it uses less digits than its factorization.

666277060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 666277060 is about 25812.3431714364. The cubic root of 666277060 is about 873.4102551881.

The spelling of 666277060 in words is "six hundred sixty-six million, two hundred seventy-seven thousand, sixty".