102513666 has 16 divisors (see below), whose sum is σ = 212097600. Its totient is φ = 32992848.

The previous prime is 102513647. The next prime is 102513667. The reversal of 102513666 is 666315201.

It is not an unprimeable number, because it can be changed into a prime (102513667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294406 + ... + 294753.

It is an arithmetic number, because the mean of its divisors is an integer number (13256100).

Almost surely, 2^102513666 is an apocalyptic number.

102513666 is an abundant number, since it is smaller than the sum of its proper divisors (109583934).

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

102513666 is a wasteful number, since it uses less digits than its factorization.

102513666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589193.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 102513666 is about 10124.9032587971. The cubic root of 102513666 is about 468.0158789995.

Adding to 102513666 its reverse (666315201), we get a palindrome (768828867).

The spelling of 102513666 in words is "one hundred two million, five hundred thirteen thousand, six hundred sixty-six".