264671660216 has 8 divisors (see below), whose sum is σ = 496259362920. Its totient is φ = 132335830104.

The previous prime is 264671660203. The next prime is 264671660219. The reversal of 264671660216 is 612066176462.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264671660219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16541978756 + ... + 16541978771.

It is an arithmetic number, because the mean of its divisors is an integer number (62032420365).

Almost surely, 2^264671660216 is an apocalyptic number.

It is an amenable number.

264671660216 is a deficient number, since it is larger than the sum of its proper divisors (231587702704).

264671660216 is a wasteful number, since it uses less digits than its factorization.

264671660216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33083957533 (or 33083957529 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 264671660216 in words is "two hundred sixty-four billion, six hundred seventy-one million, six hundred sixty thousand, two hundred sixteen".