1602664 has 16 divisors (see below), whose sum is σ = 3434400. Its totient is φ = 686832.

The previous prime is 1602661. The next prime is 1602677. The reversal of 1602664 is 4662061.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1602661) 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, 14254 + ... + 14365.

It is an arithmetic number, because the mean of its divisors is an integer number (214650).

2^1602664 is an apocalyptic number.

1602664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1602664 is an abundant number, since it is smaller than the sum of its proper divisors (1831736).

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

1602664 is a wasteful number, since it uses less digits than its factorization.

1602664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28632 (or 28628 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1602664 is about 1265.9636645655. The cubic root of 1602664 is about 117.0255867288.

The spelling of 1602664 in words is "one million, six hundred two thousand, six hundred sixty-four".