2664521241652 has 24 divisors (see below), whose sum is σ = 4735544224320. Its totient is φ = 1311534121920.

The previous prime is 2664521241637. The next prime is 2664521241713. The reversal of 2664521241652 is 2561421254662.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2770849 + ... + 3606472.

It is an arithmetic number, because the mean of its divisors is an integer number (197314342680).

Almost surely, 2^{2664521241652} is an apocalyptic number.

It is an amenable number.

2664521241652 is a deficient number, since it is larger than the sum of its proper divisors (2071022982668).

2664521241652 is a wasteful number, since it uses less digits than its factorization.

2664521241652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378951 (or 6378949 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 46.

The spelling of 2664521241652 in words is "two trillion, six hundred sixty-four billion, five hundred twenty-one million, two hundred forty-one thousand, six hundred fifty-two".