61045328178 has 12 divisors (see below), whose sum is σ = 132264877758. Its totient is φ = 20348442720.

The previous prime is 61045328177. The next prime is 61045328207. The reversal of 61045328178 is 87182354016.

61045328178 is a `hidden beast` number, since 6 + 1 + 0 + 453 + 28 + 178 = 666.

61045328178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 55151234649 + 5894093529 = 234843^2 + 76773^2 .

It is not an unprimeable number, because it can be changed into a prime (61045328177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1695703543 + ... + 1695703578.

Almost surely, 2^61045328178 is an apocalyptic number.

61045328178 is an abundant number, since it is smaller than the sum of its proper divisors (71219549580).

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

61045328178 is a wasteful number, since it uses less digits than its factorization.

61045328178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391407129 (or 3391407126 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 61045328178 in words is "sixty-one billion, forty-five million, three hundred twenty-eight thousand, one hundred seventy-eight".