102319666 has 8 divisors (see below), whose sum is σ = 154999404. Its totient is φ = 50653200.

The previous prime is 102319643. The next prime is 102319673. The reversal of 102319666 is 666913201.

It can be written as a sum of positive squares in 2 ways, for example, as 99500625 + 2819041 = 9975^2 + 1679^2 .

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253065 + ... + 253468.

Almost surely, 2^102319666 is an apocalyptic number.

102319666 is a deficient number, since it is larger than the sum of its proper divisors (52679738).

102319666 is a wasteful number, since it uses less digits than its factorization.

102319666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506636.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 102319666 is about 10115.3183835211. The cubic root of 102319666 is about 467.7204633773.

The spelling of 102319666 in words is "one hundred two million, three hundred nineteen thousand, six hundred sixty-six".