61068100907 has 32 divisors (see below), whose sum is σ = 70588661760. Its totient is φ = 52312624000.

The previous prime is 61068100903. The next prime is 61068100943. The reversal of 61068100907 is 70900186016.

It is a cyclic number.

It is not a de Polignac number, because 61068100907 - 2² = 61068100903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61068100901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3219782 + ... + 3238692.

It is an arithmetic number, because the mean of its divisors is an integer number (2205895680).

Almost surely, 2^61068100907 is an apocalyptic number.

61068100907 is a deficient number, since it is larger than the sum of its proper divisors (9520560853).

61068100907 is a wasteful number, since it uses less digits than its factorization.

61068100907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19195.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 61068100907 in words is "sixty-one billion, sixty-eight million, one hundred thousand, nine hundred seven".