2168365980132 has 120 divisors (see below), whose sum is σ = 6184563561792. Its totient is φ = 657005688000.

The previous prime is 2168365980127. The next prime is 2168365980133. The reversal of 2168365980132 is 2310895638612.

2168365980132 is a `hidden beast` number, since 2 + 1 + 6 + 8 + 36 + 598 + 0 + 13 + 2 = 666.

It is a super-2 number, since 2×2168365980132² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2168365980133) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36683233 + ... + 36742295.

Almost surely, 2^{2168365980132} is an apocalyptic number.

2168365980132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2168365980132 is an abundant number, since it is smaller than the sum of its proper divisors (4016197581660).

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

2168365980132 is a wasteful number, since it uses less digits than its factorization.

2168365980132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69391 (or 69380 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 2168365980132 in words is "two trillion, one hundred sixty-eight billion, three hundred sixty-five million, nine hundred eighty thousand, one hundred thirty-two".