666673667100 has 180 divisors, whose sum is σ = 2469820383184. Its totient is φ = 152382539520.

The previous prime is 666673667087. The next prime is 666673667159. The reversal of 666673667100 is 1766376666.

666673667100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5822257 + ... + 5935656.

Almost surely, 2^666673667100 is an apocalyptic number.

666673667100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

666673667100 is an abundant number, since it is smaller than the sum of its proper divisors (1803146716084).

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

666673667100 is a wasteful number, since it uses less digits than its factorization.

666673667100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11757946 (or 11757930 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 54.

The spelling of 666673667100 in words is "six hundred sixty-six billion, six hundred seventy-three million, six hundred sixty-seven thousand, one hundred".