102091768 has 8 divisors (see below), whose sum is σ = 191422080. Its totient is φ = 51045880.

The previous prime is 102091757. The next prime is 102091777. The reversal of 102091768 is 867190201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6380728 + ... + 6380743.

It is an arithmetic number, because the mean of its divisors is an integer number (23927760).

Almost surely, 2^102091768 is an apocalyptic number.

It is an amenable number.

102091768 is a deficient number, since it is larger than the sum of its proper divisors (89330312).

102091768 is a wasteful number, since it uses less digits than its factorization.

102091768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12761477 (or 12761473 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 102091768 is about 10104.0471099456. The cubic root of 102091768 is about 467.3729518358.

The spelling of 102091768 in words is "one hundred two million, ninety-one thousand, seven hundred sixty-eight".