1001565661162 has 16 divisors (see below), whose sum is σ = 1710183264192. Its totient is φ = 435463330720.

The previous prime is 1001565661157. The next prime is 1001565661163. The reversal of 1001565661162 is 2611665651001.

It is not an unprimeable number, because it can be changed into a prime (1001565661163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989688883 + ... + 989689894.

It is an arithmetic number, because the mean of its divisors is an integer number (106886454012).

Almost surely, 2^{1001565661162} is an apocalyptic number.

1001565661162 is a deficient number, since it is larger than the sum of its proper divisors (708617603030).

1001565661162 is a wasteful number, since it uses less digits than its factorization.

1001565661162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979378813.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 1001565661162 in words is "one trillion, one billion, five hundred sixty-five million, six hundred sixty-one thousand, one hundred sixty-two".