61061146 has 8 divisors (see below), whose sum is σ = 92432340. Its totient is φ = 30250368.

The previous prime is 61061129. The next prime is 61061149. The reversal of 61061146 is 64116016.

61061146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 48846121 + 12215025 = 6989^2 + 3495^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 61061146.

It is not an unprimeable number, because it can be changed into a prime (61061149) by changing a digit.

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, 139831 + ... + 140266.

Almost surely, 2^61061146 is an apocalyptic number.

61061146 is a deficient number, since it is larger than the sum of its proper divisors (31371194).

61061146 is a wasteful number, since it uses less digits than its factorization.

61061146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280208.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 61061146 is about 7814.1631669680. The cubic root of 61061146 is about 393.7812050183.

The spelling of 61061146 in words is "sixty-one million, sixty-one thousand, one hundred forty-six".