102003664 has 20 divisors (see below), whose sum is σ = 225865504. Its totient is φ = 43715808.

The previous prime is 102003661. The next prime is 102003667. The reversal of 102003664 is 466300201.

It is an interprime number because it is at equal distance from previous prime (102003661) and next prime (102003667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003661) 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, 455262 + ... + 455485.

Almost surely, 2^102003664 is an apocalyptic number.

102003664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102003664 is an abundant number, since it is smaller than the sum of its proper divisors (123861840).

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

102003664 is an equidigital number, since it uses as much as digits as its factorization.

102003664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910762 (or 910756 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 102003664 is about 10099.6863317630. The cubic root of 102003664 is about 467.2384673478.

Adding to 102003664 its reverse (466300201), we get a palindrome (568303865).

It can be divided in two parts, 1020036 and 64, that added together give a square (1020100 = 1010²).

The spelling of 102003664 in words is "one hundred two million, three thousand, six hundred sixty-four".