102611666 has 16 divisors (see below), whose sum is σ = 162758400. Its totient is φ = 48383568.

The previous prime is 102611659. The next prime is 102611683. The reversal of 102611666 is 666116201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2420 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (10172400).

Almost surely, 2^102611666 is an apocalyptic number.

102611666 is a deficient number, since it is larger than the sum of its proper divisors (60146734).

102611666 is a wasteful number, since it uses less digits than its factorization.

102611666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12353.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 102611666 is about 10129.7416551460. The cubic root of 102611666 is about 468.1649678977.

Adding to 102611666 its reverse (666116201), we get a palindrome (768727867).

The spelling of 102611666 in words is "one hundred two million, six hundred eleven thousand, six hundred sixty-six".