61100916 has 12 divisors (see below), whose sum is σ = 142568832. Its totient is φ = 20366968.

The previous prime is 61100887. The next prime is 61100933. The reversal of 61100916 is 61900116.

61100916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2545860 + ... + 2545883.

It is an arithmetic number, because the mean of its divisors is an integer number (11880736).

Almost surely, 2^61100916 is an apocalyptic number.

It is an amenable number.

61100916 is an abundant number, since it is smaller than the sum of its proper divisors (81467916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61100916 is a wasteful number, since it uses less digits than its factorization.

61100916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091750 (or 5091748 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 61100916 is about 7816.7074910092. The cubic root of 61100916 is about 393.8666782462.

The spelling of 61100916 in words is "sixty-one million, one hundred thousand, nine hundred sixteen".