1065919691156 has 6 divisors (see below), whose sum is σ = 1865359459530. Its totient is φ = 532959845576.

The previous prime is 1065919691153. The next prime is 1065919691189. The reversal of 1065919691156 is 6511969195601.

It can be written as a sum of positive squares in only one way, i.e., 951990490000 + 113929201156 = 975700^2 + 337534^2 .

It is a super-2 number, since 2×1065919691156² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065919691095 and 1065919691104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065919691153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133239961391 + ... + 133239961398.

It is an arithmetic number, because the mean of its divisors is an integer number (310893243255).

Almost surely, 2^{1065919691156} is an apocalyptic number.

It is an amenable number.

1065919691156 is a deficient number, since it is larger than the sum of its proper divisors (799439768374).

1065919691156 is a wasteful number, since it uses less digits than its factorization.

1065919691156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266479922793 (or 266479922791 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 59.

The spelling of 1065919691156 in words is "one trillion, sixty-five billion, nine hundred nineteen million, six hundred ninety-one thousand, one hundred fifty-six".