100605325666 has 8 divisors (see below), whose sum is σ = 155775988224. Its totient is φ = 48679996260.

The previous prime is 100605325657. The next prime is 100605325673. The reversal of 100605325666 is 666523506001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811333210 + ... + 811333333.

It is an arithmetic number, because the mean of its divisors is an integer number (19471998528).

Almost surely, 2^100605325666 is an apocalyptic number.

100605325666 is a deficient number, since it is larger than the sum of its proper divisors (55170662558).

100605325666 is a wasteful number, since it uses less digits than its factorization.

100605325666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622666576.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 100605325666 in words is "one hundred billion, six hundred five million, three hundred twenty-five thousand, six hundred sixty-six".