61024323186 has 56 divisors (see below), whose sum is σ = 137939253804. Its totient is φ = 20238089760.

The previous prime is 61024323163. The next prime is 61024323187. The reversal of 61024323186 is 68132342016.

61024323186 is a `hidden beast` number, since 610 + 2 + 4 + 3 + 2 + 31 + 8 + 6 = 666.

61024323186 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 2 ways, for example, as 60993686961 + 30636225 = 246969^2 + 5535^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61024323186.

It is not an unprimeable number, because it can be changed into a prime (61024323187) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 180996 + ... + 393456.

Almost surely, 2^61024323186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61024323186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68969626902).

61024323186 is an abundant number, since it is smaller than the sum of its proper divisors (76914930618).

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

61024323186 is a wasteful number, since it uses less digits than its factorization.

61024323186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212678 (or 212663 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 61024323186 in words is "sixty-one billion, twenty-four million, three hundred twenty-three thousand, one hundred eighty-six".