61166622 has 16 divisors (see below), whose sum is σ = 133454592. Its totient is φ = 18535320.

The previous prime is 61166621. The next prime is 61166639. The reversal of 61166622 is 22666116.

61166622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61166622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61166621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463318 + ... + 463449.

It is an arithmetic number, because the mean of its divisors is an integer number (8340912).

Almost surely, 2^61166622 is an apocalyptic number.

61166622 is an abundant number, since it is smaller than the sum of its proper divisors (72287970).

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

61166622 is a wasteful number, since it uses less digits than its factorization.

61166622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926783.

The product of its digits is 5184, while the sum is 30.

The square root of 61166622 is about 7820.9092821743. The cubic root of 61166622 is about 394.0078116070.

It can be divided in two parts, 6 and 1166622, that added together give a triangular number (1166628 = T₁₅₂₇).

The spelling of 61166622 in words is "sixty-one million, one hundred sixty-six thousand, six hundred twenty-two".