1664141913 has 48 divisors (see below), whose sum is σ = 2814514560. Its totient is φ = 927894528.

The previous prime is 1664141911. The next prime is 1664141959. The reversal of 1664141913 is 3191414661.

1664141913 is a `hidden beast` number, since 1 + 6 + 641 + 4 + 1 + 9 + 1 + 3 = 666.

It is not a de Polignac number, because 1664141913 - 2¹ = 1664141911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1664141911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 458281 + ... + 461897.

It is an arithmetic number, because the mean of its divisors is an integer number (58635720).

Almost surely, 2^1664141913 is an apocalyptic number.

It is an amenable number.

1664141913 is a deficient number, since it is larger than the sum of its proper divisors (1150372647).

1664141913 is a wasteful number, since it uses less digits than its factorization.

1664141913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806 (or 3803 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1664141913 is about 40793.8955359745. The cubic root of 1664141913 is about 1185.0321136413.

The spelling of 1664141913 in words is "one billion, six hundred sixty-four million, one hundred forty-one thousand, nine hundred thirteen".