102665118 has 16 divisors (see below), whose sum is σ = 211954176. Its totient is φ = 33117720.

The previous prime is 102665117. The next prime is 102665119. The reversal of 102665118 is 811566201.

It is an interprime number because it is at equal distance from previous prime (102665117) and next prime (102665119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102665111) 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, 275796 + ... + 276167.

It is an arithmetic number, because the mean of its divisors is an integer number (13247136).

Almost surely, 2^102665118 is an apocalyptic number.

102665118 is an abundant number, since it is smaller than the sum of its proper divisors (109289058).

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

102665118 is a wasteful number, since it uses less digits than its factorization.

102665118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551999.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 102665118 is about 10132.3796810029. The cubic root of 102665118 is about 468.2462452381.

The spelling of 102665118 in words is "one hundred two million, six hundred sixty-five thousand, one hundred eighteen".