102808066 has 8 divisors (see below), whose sum is σ = 154283724. Its totient is φ = 51380160.

The previous prime is 102808049. The next prime is 102808087. The reversal of 102808066 is 660808201.

It can be written as a sum of positive squares in 2 ways, for example, as 98585041 + 4223025 = 9929^2 + 2055^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5955 + ... + 15526.

Almost surely, 2^102808066 is an apocalyptic number.

102808066 is a deficient number, since it is larger than the sum of its proper divisors (51475658).

102808066 is a wasteful number, since it uses less digits than its factorization.

102808066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23876.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 102808066 is about 10139.4312463767. The cubic root of 102808066 is about 468.4634687168.

The spelling of 102808066 in words is "one hundred two million, eight hundred eight thousand, sixty-six".