561112166622 has 32 divisors (see below), whose sum is σ = 1312368659712. Its totient is φ = 156589441344.

The previous prime is 561112166621. The next prime is 561112166623. The reversal of 561112166622 is 226661211165.

It is an interprime number because it is at equal distance from previous prime (561112166621) and next prime (561112166623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561112166621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155344863 + ... + 155348474.

It is an arithmetic number, because the mean of its divisors is an integer number (41011520616).

Almost surely, 2^561112166622 is an apocalyptic number.

561112166622 is an abundant number, since it is smaller than the sum of its proper divisors (751256493090).

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

561112166622 is a wasteful number, since it uses less digits than its factorization.

561112166622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310693392.

The product of its digits is 51840, while the sum is 39.

Adding to 561112166622 its reverse (226661211165), we get a palindrome (787773377787).

The spelling of 561112166622 in words is "five hundred sixty-one billion, one hundred twelve million, one hundred sixty-six thousand, six hundred twenty-two".