61116428 has 36 divisors (see below), whose sum is σ = 118452600. Its totient is φ = 27494016.

The previous prime is 61116401. The next prime is 61116431. The reversal of 61116428 is 82461116.

It is a self number, because there is not a number n which added to its sum of digits gives 61116428.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35123 + ... + 36821.

It is an arithmetic number, because the mean of its divisors is an integer number (3290350).

Almost surely, 2^61116428 is an apocalyptic number.

61116428 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

61116428 is a deficient number, since it is larger than the sum of its proper divisors (57336172).

61116428 is a wasteful number, since it uses less digits than its factorization.

61116428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766 (or 1741 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 61116428 is about 7817.6996616652. The cubic root of 61116428 is about 393.9000064043.

The spelling of 61116428 in words is "sixty-one million, one hundred sixteen thousand, four hundred twenty-eight".