61244066 has 16 divisors (see below), whose sum is σ = 99603000. Its totient is φ = 28075008.

The previous prime is 61244063. The next prime is 61244093. The reversal of 61244066 is 66044216.

It can be written as a sum of positive squares in 4 ways, for example, as 12453841 + 48790225 = 3529^2 + 6985^2 .

It is not an unprimeable number, because it can be changed into a prime (61244063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4031 + ... + 11778.

Almost surely, 2^61244066 is an apocalyptic number.

61244066 is a deficient number, since it is larger than the sum of its proper divisors (38358934).

61244066 is a wasteful number, since it uses less digits than its factorization.

61244066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15973.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 61244066 is about 7825.8588027130. The cubic root of 61244066 is about 394.1740279252.

The spelling of 61244066 in words is "sixty-one million, two hundred forty-four thousand, sixty-six".