1664490110 has 8 divisors (see below), whose sum is σ = 2996082216. Its totient is φ = 665796040.

The previous prime is 1664490109. The next prime is 1664490137. The reversal of 1664490110 is 110944661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 83224496 + ... + 83224515.

It is an arithmetic number, because the mean of its divisors is an integer number (374510277).

Almost surely, 2^1664490110 is an apocalyptic number.

1664490110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1664490110 is a deficient number, since it is larger than the sum of its proper divisors (1331592106).

1664490110 is a wasteful number, since it uses less digits than its factorization.

1664490110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166449018.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1664490110 is about 40798.1630713933. The cubic root of 1664490110 is about 1185.1147580056.

The spelling of 1664490110 in words is "one billion, six hundred sixty-four million, four hundred ninety thousand, one hundred ten".