1664053353 has 12 divisors (see below), whose sum is σ = 2404029888. Its totient is φ = 1109185560.

The previous prime is 1664053351. The next prime is 1664053387. The reversal of 1664053353 is 3533504661.

1664053353 is a `hidden beast` number, since 1 + 6 + 640 + 5 + 3 + 3 + 5 + 3 = 666.

1664053353 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1664053353 - 2¹ = 1664053351 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1664053351) 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, 63676 + ... + 85922.

It is an arithmetic number, because the mean of its divisors is an integer number (200335824).

Almost surely, 2^1664053353 is an apocalyptic number.

It is an amenable number.

1664053353 is a deficient number, since it is larger than the sum of its proper divisors (739976535).

1664053353 is a wasteful number, since it uses less digits than its factorization.

1664053353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30564 (or 30561 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 1664053353 is about 40792.8100650102. The cubic root of 1664053353 is about 1185.0110921357.

The spelling of 1664053353 in words is "one billion, six hundred sixty-four million, fifty-three thousand, three hundred fifty-three".