236145664644 has 48 divisors (see below), whose sum is σ = 560303304960. Its totient is φ = 77388330240.

The previous prime is 236145664627. The next prime is 236145664663. The reversal of 236145664644 is 446466541632.

236145664644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 1501077 + ... + 1650915.

It is an arithmetic number, because the mean of its divisors is an integer number (11672985520).

Almost surely, 2^236145664644 is an apocalyptic number.

It is an amenable number.

236145664644 is an abundant number, since it is smaller than the sum of its proper divisors (324157640316).

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

236145664644 is a wasteful number, since it uses less digits than its factorization.

236145664644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152060 (or 152058 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 51.

The spelling of 236145664644 in words is "two hundred thirty-six billion, one hundred forty-five million, six hundred sixty-four thousand, six hundred forty-four".