1169649018772 has 48 divisors (see below), whose sum is σ = 2300341518720. Its totient is φ = 516330384768.

The previous prime is 1169649018761. The next prime is 1169649018781. The reversal of 1169649018772 is 2778109469611.

It is a super-2 number, since 2×1169649018772² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1169649018772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23851254 + ... + 23900242.

It is an arithmetic number, because the mean of its divisors is an integer number (47923781640).

Almost surely, 2^{1169649018772} is an apocalyptic number.

It is an amenable number.

1169649018772 is a deficient number, since it is larger than the sum of its proper divisors (1130692499948).

1169649018772 is a wasteful number, since it uses less digits than its factorization.

1169649018772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68992 (or 68990 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 61.

The spelling of 1169649018772 in words is "one trillion, one hundred sixty-nine billion, six hundred forty-nine million, eighteen thousand, seven hundred seventy-two".