61222664601 has 24 divisors (see below), whose sum is σ = 101595147264. Its totient is φ = 34801208640.

The previous prime is 61222664567. The next prime is 61222664639. The reversal of 61222664601 is 10646622216.

61222664601 is a `hidden beast` number, since 6 + 1 + 2 + 2 + 2 + 6 + 646 + 0 + 1 = 666.

61222664601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61222664601 - 2⁷ = 61222664473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61222660601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2531916 + ... + 2555981.

It is an arithmetic number, because the mean of its divisors is an integer number (4233131136).

Almost surely, 2^61222664601 is an apocalyptic number.

It is an amenable number.

61222664601 is a deficient number, since it is larger than the sum of its proper divisors (40372482663).

61222664601 is a wasteful number, since it uses less digits than its factorization.

61222664601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088101 (or 5088098 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 61222664601 in words is "sixty-one billion, two hundred twenty-two million, six hundred sixty-four thousand, six hundred one".