61616277606 has 32 divisors (see below), whose sum is σ = 140518572768. Its totient is φ = 17843627520.

The previous prime is 61616277559. The next prime is 61616277719. The reversal of 61616277606 is 60677261616.

61616277606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23232565 + ... + 23235216.

It is an arithmetic number, because the mean of its divisors is an integer number (4391205399).

Almost surely, 2^61616277606 is an apocalyptic number.

61616277606 is an abundant number, since it is smaller than the sum of its proper divisors (78902295162).

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

61616277606 is a wasteful number, since it uses less digits than its factorization.

61616277606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46467816.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 61616277606 in words is "sixty-one billion, six hundred sixteen million, two hundred seventy-seven thousand, six hundred six".