236564663130 has 128 divisors (see below), whose sum is σ = 644222937600. Its totient is φ = 61751020032.

The previous prime is 236564663129. The next prime is 236564663143. The reversal of 236564663130 is 31366465632.

236564663130 is a `hidden beast` number, since 2 + 3 + 6 + 5 + 6 + 4 + 6 + 631 + 3 + 0 = 666.

236564663130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6263262 + ... + 6300918.

It is an arithmetic number, because the mean of its divisors is an integer number (5032991700).

Almost surely, 2^236564663130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 236564663130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322111468800).

236564663130 is an abundant number, since it is smaller than the sum of its proper divisors (407658274470).

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

236564663130 is a wasteful number, since it uses less digits than its factorization.

236564663130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38165 (or 38159 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 236564663130 in words is "two hundred thirty-six billion, five hundred sixty-four million, six hundred sixty-three thousand, one hundred thirty".