666877162 has 48 divisors (see below), whose sum is σ = 1228983840. Its totient is φ = 269855712.

The previous prime is 666877117. The next prime is 666877171. The reversal of 666877162 is 261778666.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1036813 + ... + 1037455.

It is an arithmetic number, because the mean of its divisors is an integer number (25603830).

Almost surely, 2^666877162 is an apocalyptic number.

666877162 is a deficient number, since it is larger than the sum of its proper divisors (562106678).

666877162 is a wasteful number, since it uses less digits than its factorization.

666877162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235 (or 1228 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 666877162 is about 25823.9648776093. The cubic root of 666877162 is about 873.6723973668.

The spelling of 666877162 in words is "six hundred sixty-six million, eight hundred seventy-seven thousand, one hundred sixty-two".