61669622 has 8 divisors (see below), whose sum is σ = 105719376. Its totient is φ = 26429832.

The previous prime is 61669607. The next prime is 61669667. The reversal of 61669622 is 22696616.

61669622 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 a congruent number.

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, 2202473 + ... + 2202500.

It is an arithmetic number, because the mean of its divisors is an integer number (13214922).

Almost surely, 2^61669622 is an apocalyptic number.

61669622 is a deficient number, since it is larger than the sum of its proper divisors (44049754).

61669622 is a wasteful number, since it uses less digits than its factorization.

61669622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404982.

The product of its digits is 46656, while the sum is 38.

The square root of 61669622 is about 7853.0008277091. Note that the first 3 decimals coincide. The cubic root of 61669622 is about 395.0848976305.

The spelling of 61669622 in words is "sixty-one million, six hundred sixty-nine thousand, six hundred twenty-two".