1067089100861 has 6 divisors (see below), whose sum is σ = 1241307729630. Its totient is φ = 914647800696.

The previous prime is 1067089100851. The next prime is 1067089100939. The reversal of 1067089100861 is 1680019807601.

It can be written as a sum of positive squares in only one way, i.e., 1048178725636 + 18910375225 = 1023806^2 + 137515^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1067089100861 is a prime.

It is a super-2 number, since 2×1067089100861² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1067089100801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10888664246 + ... + 10888664343.

It is an arithmetic number, because the mean of its divisors is an integer number (206884621605).

Almost surely, 2^{1067089100861} is an apocalyptic number.

It is an amenable number.

1067089100861 is a deficient number, since it is larger than the sum of its proper divisors (174218628769).

1067089100861 is an equidigital number, since it uses as much as digits as its factorization.

1067089100861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21777328603 (or 21777328596 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 1067089100861 in words is "one trillion, sixty-seven billion, eighty-nine million, one hundred thousand, eight hundred sixty-one".