1165165322044 has 24 divisors (see below), whose sum is σ = 2128903096320. Its totient is φ = 556936101744.

The previous prime is 1165165322003. The next prime is 1165165322071. The reversal of 1165165322044 is 4402235615611.

It is a super-2 number, since 2×1165165322044² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1165165321988 and 1165165322006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3438184 + ... + 3761839.

It is an arithmetic number, because the mean of its divisors is an integer number (88704295680).

Almost surely, 2^{1165165322044} is an apocalyptic number.

It is an amenable number.

1165165322044 is a deficient number, since it is larger than the sum of its proper divisors (963737774276).

1165165322044 is a wasteful number, since it uses less digits than its factorization.

1165165322044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7201809 (or 7201807 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 1165165322044 in words is "one trillion, one hundred sixty-five billion, one hundred sixty-five million, three hundred twenty-two thousand, forty-four".