3122864661636 has 18 divisors (see below), whose sum is σ = 7893907894782. Its totient is φ = 1040954887200.

The previous prime is 3122864661613. The next prime is 3122864661667. The reversal of 3122864661636 is 6361664682213.

3122864661636 is a `hidden beast` number, since 3 + 12 + 2 + 8 + 6 + 4 + 6 + 616 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3114850831236 + 8013830400 = 1764894^2 + 89520^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43373120265 + ... + 43373120336.

It is an arithmetic number, because the mean of its divisors is an integer number (438550438599).

Almost surely, 2^{3122864661636} is an apocalyptic number.

3122864661636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3122864661636 is an abundant number, since it is smaller than the sum of its proper divisors (4771043233146).

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

3122864661636 is a wasteful number, since it uses less digits than its factorization.

3122864661636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86746240611 (or 86746240606 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The spelling of 3122864661636 in words is "three trillion, one hundred twenty-two billion, eight hundred sixty-four million, six hundred sixty-one thousand, six hundred thirty-six".