1065055661166 has 32 divisors (see below), whose sum is σ = 2562539938560. Its totient is φ = 288285742656.

The previous prime is 1065055661141. The next prime is 1065055661167. The reversal of 1065055661166 is 6611665505601.

It is a super-2 number, since 2×1065055661166² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065055661167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667327311 + ... + 667328906.

It is an arithmetic number, because the mean of its divisors is an integer number (80079373080).

Almost surely, 2^{1065055661166} is an apocalyptic number.

1065055661166 is an abundant number, since it is smaller than the sum of its proper divisors (1497484277394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065055661166 is a wasteful number, since it uses less digits than its factorization.

1065055661166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334656248.

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 1065055661166 in words is "one trillion, sixty-five billion, fifty-five million, six hundred sixty-one thousand, one hundred sixty-six".