1664652245151 has 96 divisors (see below), whose sum is σ = 2827260702720. Its totient is φ = 864772070400.

The previous prime is 1664652245119. The next prime is 1664652245161. The reversal of 1664652245151 is 1515422564661.

It is a happy number.

It is not a de Polignac number, because 1664652245151 - 2⁵ = 1664652245119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1664652245151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664652245161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41890870 + ... + 41930588.

It is an arithmetic number, because the mean of its divisors is an integer number (29450632320).

Almost surely, 2^{1664652245151} is an apocalyptic number.

1664652245151 is a deficient number, since it is larger than the sum of its proper divisors (1162608457569).

1664652245151 is a wasteful number, since it uses less digits than its factorization.

1664652245151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40325 (or 40318 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 48.

The spelling of 1664652245151 in words is "one trillion, six hundred sixty-four billion, six hundred fifty-two million, two hundred forty-five thousand, one hundred fifty-one".