61634066 has 16 divisors (see below), whose sum is σ = 103892544. Its totient is φ = 27209424.

The previous prime is 61634051. The next prime is 61634143. The reversal of 61634066 is 66043616.

61634066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 50936 + ... + 52131.

It is an arithmetic number, because the mean of its divisors is an integer number (6493284).

Almost surely, 2^61634066 is an apocalyptic number.

61634066 is a deficient number, since it is larger than the sum of its proper divisors (42258478).

61634066 is a wasteful number, since it uses less digits than its factorization.

61634066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103105.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 61634066 is about 7850.7366533339. The cubic root of 61634066 is about 395.0089534904.

The spelling of 61634066 in words is "sixty-one million, six hundred thirty-four thousand, sixty-six".