61097968 has 20 divisors (see below), whose sum is σ = 119878240. Its totient is φ = 30161664.

The previous prime is 61097957. The next prime is 61097987. The reversal of 61097968 is 86979016.

61097968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 22905 + ... + 25432.

It is an arithmetic number, because the mean of its divisors is an integer number (5993912).

Almost surely, 2^61097968 is an apocalyptic number.

It is an amenable number.

61097968 is a deficient number, since it is larger than the sum of its proper divisors (58780272).

61097968 is a wasteful number, since it uses less digits than its factorization.

61097968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48424 (or 48418 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 61097968 is about 7816.5189182909. The cubic root of 61097968 is about 393.8603437114.

The spelling of 61097968 in words is "sixty-one million, ninety-seven thousand, nine hundred sixty-eight".