664054093 has 16 divisors (see below), whose sum is σ = 697973760. Its totient is φ = 630952000.

The previous prime is 664054087. The next prime is 664054103. The reversal of 664054093 is 390450466.

It is a happy number.

664054093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 664054093 - 2¹⁷ = 663923021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664054003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558846 + ... + 560032.

It is an arithmetic number, because the mean of its divisors is an integer number (43623360).

Almost surely, 2^664054093 is an apocalyptic number.

It is an amenable number.

664054093 is a deficient number, since it is larger than the sum of its proper divisors (33919667).

664054093 is a wasteful number, since it uses less digits than its factorization.

664054093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 664054093 is about 25769.2470398341. The cubic root of 664054093 is about 872.4378241586.

The spelling of 664054093 in words is "six hundred sixty-four million, fifty-four thousand, ninety-three".