36163402506 has 256 divisors, whose sum is σ = 105778483200. Its totient is φ = 8872416000.

The previous prime is 36163402489. The next prime is 36163402553. The reversal of 36163402506 is 60520436163.

36163402506 is a `hidden beast` number, since 3 + 61 + 6 + 340 + 250 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 51587956 + ... + 51588656.

It is an arithmetic number, because the mean of its divisors is an integer number (413197200).

Almost surely, 2^36163402506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36163402506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52889241600).

36163402506 is an abundant number, since it is smaller than the sum of its proper divisors (69615080694).

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

36163402506 is a wasteful number, since it uses less digits than its factorization.

36163402506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 36163402506 its reverse (60520436163), we get a palindrome (96683838669).

The spelling of 36163402506 in words is "thirty-six billion, one hundred sixty-three million, four hundred two thousand, five hundred six".