964181864641 has 8 divisors (see below), whose sum is σ = 1021158749664. Its totient is φ = 907233902400.

The previous prime is 964181864621. The next prime is 964181864647. The reversal of 964181864641 is 146468181469.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-964181864641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964181864647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7162035 + ... + 7295416.

It is an arithmetic number, because the mean of its divisors is an integer number (127644843708).

Almost surely, 2^964181864641 is an apocalyptic number.

It is an amenable number.

964181864641 is a deficient number, since it is larger than the sum of its proper divisors (56976885023).

964181864641 is a wasteful number, since it uses less digits than its factorization.

964181864641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14461391.

The product of its digits is 7962624, while the sum is 58.

The spelling of 964181864641 in words is "nine hundred sixty-four billion, one hundred eighty-one million, eight hundred sixty-four thousand, six hundred forty-one".