61726676136 has 16 divisors (see below), whose sum is σ = 154316690400. Its totient is φ = 20575558704.

The previous prime is 61726676101. The next prime is 61726676153. The reversal of 61726676136 is 63167662716.

It is a happy number.

61726676136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1285972396 + ... + 1285972443.

It is an arithmetic number, because the mean of its divisors is an integer number (9644793150).

Almost surely, 2^61726676136 is an apocalyptic number.

It is an amenable number.

61726676136 is an abundant number, since it is smaller than the sum of its proper divisors (92590014264).

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

61726676136 is a wasteful number, since it uses less digits than its factorization.

61726676136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571944848 (or 2571944844 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 51.

The spelling of 61726676136 in words is "sixty-one billion, seven hundred twenty-six million, six hundred seventy-six thousand, one hundred thirty-six".