61146679 has 16 divisors (see below), whose sum is σ = 68250240. Its totient is φ = 54315360.

The previous prime is 61146667. The next prime is 61146689. The reversal of 61146679 is 97664116.

61146679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-61146679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61146689) 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 15 ways as a sum of consecutive naturals, for example, 119877 + ... + 120385.

It is an arithmetic number, because the mean of its divisors is an integer number (4265640).

Almost surely, 2^61146679 is an apocalyptic number.

61146679 is a deficient number, since it is larger than the sum of its proper divisors (7103561).

61146679 is a wasteful number, since it uses less digits than its factorization.

61146679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750.

The product of its digits is 54432, while the sum is 40.

The square root of 61146679 is about 7819.6341986055. The cubic root of 61146679 is about 393.9649856797.

The spelling of 61146679 in words is "sixty-one million, one hundred forty-six thousand, six hundred seventy-nine".