1085169166761 has 16 divisors (see below), whose sum is σ = 1461005923520. Its totient is φ = 716396892480.

The previous prime is 1085169166747. The next prime is 1085169166769. The reversal of 1085169166761 is 1676619615801.

It is a happy number.

It is not a de Polignac number, because 1085169166761 - 2⁵ = 1085169166729 is a prime.

It is a super-2 number, since 2×1085169166761² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085169166769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383755 + ... + 1522368.

It is an arithmetic number, because the mean of its divisors is an integer number (91312870220).

Almost surely, 2^{1085169166761} is an apocalyptic number.

It is an amenable number.

1085169166761 is a deficient number, since it is larger than the sum of its proper divisors (375836756759).

1085169166761 is a wasteful number, since it uses less digits than its factorization.

1085169166761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907976.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 1085169166761 in words is "one trillion, eighty-five billion, one hundred sixty-nine million, one hundred sixty-six thousand, seven hundred sixty-one".