1302166668 has 54 divisors (see below), whose sum is σ = 3343247068. Its totient is φ = 394179280.

The previous prime is 1302166667. The next prime is 1302166669. The reversal of 1302166668 is 8666612031.

It is an interprime number because it is at equal distance from previous prime (1302166667) and next prime (1302166669).

It is not an unprimeable number, because it can be changed into a prime (1302166661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1374571 + ... + 1375517.

Almost surely, 2^1302166668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1302166668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1671623534).

1302166668 is an abundant number, since it is smaller than the sum of its proper divisors (2041080400).

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

1302166668 is an equidigital number, since it uses as much as digits as its factorization.

1302166668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1302166668 is about 36085.5465248900. The cubic root of 1302166668 is about 1091.9988762752.

Multiplying 1302166668 by its product of nonzero digits (62208), we get a square (81005184082944 = 9000288²).

Adding to 1302166668 its reverse (8666612031), we get a palindrome (9968778699).

The spelling of 1302166668 in words is "one billion, three hundred two million, one hundred sixty-six thousand, six hundred sixty-eight".