102552666 has 16 divisors (see below), whose sum is σ = 205291584. Its totient is φ = 34153184.

The previous prime is 102552661. The next prime is 102552689. The reversal of 102552666 is 666255201.

It is a happy number.

It is a super-3 number, since 3×102552666³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102552661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6 + ... + 14321.

It is an arithmetic number, because the mean of its divisors is an integer number (12830724).

Almost surely, 2^102552666 is an apocalyptic number.

102552666 is an abundant number, since it is smaller than the sum of its proper divisors (102738918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102552666 is a wasteful number, since it uses less digits than its factorization.

102552666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15525.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 102552666 is about 10126.8290199845. The cubic root of 102552666 is about 468.0752216733.

It can be divided in two parts, 10255 and 2666, that added together give a palindrome (12921).

The spelling of 102552666 in words is "one hundred two million, five hundred fifty-two thousand, six hundred sixty-six".