61107668 has 12 divisors (see below), whose sum is σ = 106993152. Its totient is φ = 30538200.

The previous prime is 61107659. The next prime is 61107679. The reversal of 61107668 is 86670116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13421 + ... + 17387.

It is an arithmetic number, because the mean of its divisors is an integer number (8916096).

Almost surely, 2^61107668 is an apocalyptic number.

It is an amenable number.

61107668 is a deficient number, since it is larger than the sum of its proper divisors (45885484).

61107668 is a wasteful number, since it uses less digits than its factorization.

61107668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7822 (or 7820 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 61107668 is about 7817.1393744771. The cubic root of 61107668 is about 393.8811858839.

The spelling of 61107668 in words is "sixty-one million, one hundred seven thousand, six hundred sixty-eight".