2001065660252 has 6 divisors (see below), whose sum is σ = 3501864905448. Its totient is φ = 1000532830124.

The previous prime is 2001065660249. The next prime is 2001065660261. The reversal of 2001065660252 is 2520665601002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250133207528 + ... + 250133207535.

It is an arithmetic number, because the mean of its divisors is an integer number (583644150908).

Almost surely, 2^{2001065660252} is an apocalyptic number.

It is an amenable number.

2001065660252 is a deficient number, since it is larger than the sum of its proper divisors (1500799245196).

2001065660252 is a wasteful number, since it uses less digits than its factorization.

2001065660252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500266415067 (or 500266415065 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 2001065660252 in words is "two trillion, one billion, sixty-five million, six hundred sixty thousand, two hundred fifty-two".