61622066 has 8 divisors (see below), whose sum is σ = 100836144. Its totient is φ = 28010020.

The previous prime is 61622047. The next prime is 61622089. The reversal of 61622066 is 66022616.

61622066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1400480 + ... + 1400523.

It is an arithmetic number, because the mean of its divisors is an integer number (12604518).

Almost surely, 2^61622066 is an apocalyptic number.

61622066 is a deficient number, since it is larger than the sum of its proper divisors (39214078).

61622066 is a wasteful number, since it uses less digits than its factorization.

61622066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801016.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 61622066 is about 7849.9723566392. The cubic root of 61622066 is about 394.9833160715.

It can be divided in two parts, 6162 and 2066, that added together give a palindrome (8228).

The spelling of 61622066 in words is "sixty-one million, six hundred twenty-two thousand, sixty-six".