1602664168 has 48 divisors (see below), whose sum is σ = 3500434980. Its totient is φ = 685907712.

The previous prime is 1602664159. The next prime is 1602664247. The reversal of 1602664168 is 8614662061.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1595363364 + 7300804 = 39942^2 + 2702^2 .

It is a super-2 number, since 2×1602664168² = 5137064870782264448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1602664168.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331980 + ... + 336772.

Almost surely, 2^1602664168 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 1602664168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750217490).

1602664168 is an abundant number, since it is smaller than the sum of its proper divisors (1897770812).

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

1602664168 is a wasteful number, since it uses less digits than its factorization.

1602664168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666 (or 5655 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1602664168 is about 40033.2882486563. The cubic root of 1602664168 is about 1170.2559081786.

The spelling of 1602664168 in words is "one billion, six hundred two million, six hundred sixty-four thousand, one hundred sixty-eight".