102881668 has 24 divisors (see below), whose sum is σ = 188358912. Its totient is φ = 49076544.

The previous prime is 102881651. The next prime is 102881693. The reversal of 102881668 is 866188201.

It is a super-2 number, since 2×102881668² = 21169275220924448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 102881668.

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 7 ways as a sum of consecutive naturals, for example, 40821 + ... + 43267.

It is an arithmetic number, because the mean of its divisors is an integer number (7848288).

Almost surely, 2^102881668 is an apocalyptic number.

It is an amenable number.

102881668 is a deficient number, since it is larger than the sum of its proper divisors (85477244).

102881668 is a wasteful number, since it uses less digits than its factorization.

102881668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 102881668 is about 10143.0600905249. The cubic root of 102881668 is about 468.5752356387.

The spelling of 102881668 in words is "one hundred two million, eight hundred eighty-one thousand, six hundred sixty-eight".