61066772204 has 6 divisors (see below), whose sum is σ = 106866851364. Its totient is φ = 30533386100.

The previous prime is 61066772191. The next prime is 61066772209. The reversal of 61066772204 is 40227766016.

It is not an unprimeable number, because it can be changed into a prime (61066772209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7633346522 + ... + 7633346529.

It is an arithmetic number, because the mean of its divisors is an integer number (17811141894).

Almost surely, 2^61066772204 is an apocalyptic number.

It is an amenable number.

61066772204 is a deficient number, since it is larger than the sum of its proper divisors (45800079160).

61066772204 is a wasteful number, since it uses less digits than its factorization.

61066772204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15266693055 (or 15266693053 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 61066772204 in words is "sixty-one billion, sixty-six million, seven hundred seventy-two thousand, two hundred four".