61066626 has 16 divisors (see below), whose sum is σ = 122248224. Its totient is φ = 20336384.

The previous prime is 61066619. The next prime is 61066637. The reversal of 61066626 is 62666016.

61066626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61066626² = 7458265622047752, which contains 22 as substring.

It is an unprimeable number.

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, 3121 + ... + 11483.

It is an arithmetic number, because the mean of its divisors is an integer number (7640514).

Almost surely, 2^61066626 is an apocalyptic number.

61066626 is an abundant number, since it is smaller than the sum of its proper divisors (61181598).

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

61066626 is a wasteful number, since it uses less digits than its factorization.

61066626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9585.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 61066626 is about 7814.5138044539. The cubic root of 61066626 is about 393.7929847757.

The spelling of 61066626 in words is "sixty-one million, sixty-six thousand, six hundred twenty-six".