612166122 has 24 divisors (see below), whose sum is σ = 1331159076. Its totient is φ = 203317056.

The previous prime is 612166097. The next prime is 612166157. The reversal of 612166122 is 221661216.

It can be written as a sum of positive squares in 2 ways, for example, as 458430921 + 153735201 = 21411^2 + 12399^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 56403 + ... + 66374.

Almost surely, 2^612166122 is an apocalyptic number.

612166122 is an abundant number, since it is smaller than the sum of its proper divisors (718992954).

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

612166122 is a wasteful number, since it uses less digits than its factorization.

612166122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123062 (or 123059 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 612166122 is about 24741.9910678183. The cubic root of 612166122 is about 849.0952874525.

The spelling of 612166122 in words is "six hundred twelve million, one hundred sixty-six thousand, one hundred twenty-two".