2007645659156 has 6 divisors (see below), whose sum is σ = 3513379903530. Its totient is φ = 1003822829576.

The previous prime is 2007645659087. The next prime is 2007645659197. The reversal of 2007645659156 is 6519565467002.

It can be written as a sum of positive squares in only one way, i.e., 1305877562500 + 701768096656 = 1142750^2 + 837716^2 .

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, 250955707391 + ... + 250955707398.

It is an arithmetic number, because the mean of its divisors is an integer number (585563317255).

Almost surely, 2^{2007645659156} is an apocalyptic number.

It is an amenable number.

2007645659156 is a deficient number, since it is larger than the sum of its proper divisors (1505734244374).

2007645659156 is a wasteful number, since it uses less digits than its factorization.

2007645659156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501911414793 (or 501911414791 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 2007645659156 in words is "two trillion, seven billion, six hundred forty-five million, six hundred fifty-nine thousand, one hundred fifty-six".