667766102 has 16 divisors (see below), whose sum is σ = 1036219392. Its totient is φ = 322406760.

The previous prime is 667766063. The next prime is 667766119. The reversal of 667766102 is 201667766.

It is a self number, because there is not a number n which added to its sum of digits gives 667766102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17423 + ... + 40485.

It is an arithmetic number, because the mean of its divisors is an integer number (64763712).

Almost surely, 2^667766102 is an apocalyptic number.

667766102 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

667766102 is a deficient number, since it is larger than the sum of its proper divisors (368453290).

667766102 is a wasteful number, since it uses less digits than its factorization.

667766102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23563.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 667766102 is about 25841.1706778157. The cubic root of 667766102 is about 874.0604236058.

The spelling of 667766102 in words is "six hundred sixty-seven million, seven hundred sixty-six thousand, one hundred two".