102311664 has 160 divisors (see below), whose sum is σ = 331645440. Its totient is φ = 26459136.

The previous prime is 102311653. The next prime is 102311689. The reversal of 102311664 is 466113201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257514 + ... + 257910.

It is an arithmetic number, because the mean of its divisors is an integer number (2072784).

Almost surely, 2^102311664 is an apocalyptic number.

102311664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102311664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165822720).

102311664 is an abundant number, since it is smaller than the sum of its proper divisors (229333776).

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

102311664 is a wasteful number, since it uses less digits than its factorization.

102311664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 102311664 is about 10114.9228370759. The cubic root of 102311664 is about 467.7082702286.

Adding to 102311664 its reverse (466113201), we get a palindrome (568424865).

The spelling of 102311664 in words is "one hundred two million, three hundred eleven thousand, six hundred sixty-four".