1664050 has 24 divisors (see below), whose sum is σ = 3231936. Its totient is φ = 636240.

The previous prime is 1664021. The next prime is 1664053. The reversal of 1664050 is 504661.

It is not an unprimeable number, because it can be changed into a prime (1664053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427 + ... + 1873.

It is an arithmetic number, because the mean of its divisors is an integer number (134664).

2^1664050 is an apocalyptic number.

1664050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1664050 is a deficient number, since it is larger than the sum of its proper divisors (1567886).

1664050 is a wasteful number, since it uses less digits than its factorization.

1664050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1664050 is about 1289.9806200095. The cubic root of 1664050 is about 118.5010296219.

The spelling of 1664050 in words is "one million, six hundred sixty-four thousand, fifty".