61028272602 has 24 divisors (see below), whose sum is σ = 144248644800. Its totient is φ = 18493415880.

The previous prime is 61028272567. The next prime is 61028272649. The reversal of 61028272602 is 20627282016.

61028272602 is a `hidden beast` number, since 6 + 1 + 0 + 28 + 27 + 2 + 602 = 666.

61028272602 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 11 ways as a sum of consecutive naturals, for example, 154111602 + ... + 154111997.

It is an arithmetic number, because the mean of its divisors is an integer number (6010360200).

Almost surely, 2^61028272602 is an apocalyptic number.

61028272602 is an abundant number, since it is smaller than the sum of its proper divisors (83220372198).

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

61028272602 is a wasteful number, since it uses less digits than its factorization.

61028272602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308223618 (or 308223615 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 61028272602 in words is "sixty-one billion, twenty-eight million, two hundred seventy-two thousand, six hundred two".