61332172860994 has 16 divisors (see below), whose sum is σ = 107124657720768. Its totient is φ = 25789269450672.

The previous prime is 61332172860991. The next prime is 61332172861019. The reversal of 61332172860994 is 49906827123316.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61332172860991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41328956712 + ... + 41328958195.

It is an arithmetic number, because the mean of its divisors is an integer number (6695291107548).

Almost surely, 2^{61332172860994} is an apocalyptic number.

61332172860994 is a deficient number, since it is larger than the sum of its proper divisors (45792484859774).

61332172860994 is a wasteful number, since it uses less digits than its factorization.

61332172860994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82657914969.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 61332172860994 in words is "sixty-one trillion, three hundred thirty-two billion, one hundred seventy-two million, eight hundred sixty thousand, nine hundred ninety-four".