102664911 has 4 divisors (see below), whose sum is σ = 136886552. Its totient is φ = 68443272.

The previous prime is 102664909. The next prime is 102664927. The reversal of 102664911 is 119466201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102664911 - 2¹ = 102664909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102664931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17110816 + ... + 17110821.

It is an arithmetic number, because the mean of its divisors is an integer number (34221638).

Almost surely, 2^102664911 is an apocalyptic number.

102664911 is a deficient number, since it is larger than the sum of its proper divisors (34221641).

102664911 is an equidigital number, since it uses as much as digits as its factorization.

102664911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34221640.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 102664911 is about 10132.3694662206. The cubic root of 102664911 is about 468.2459305352.

The spelling of 102664911 in words is "one hundred two million, six hundred sixty-four thousand, nine hundred eleven".