3165748726664 has 8 divisors (see below), whose sum is σ = 5935778862510. Its totient is φ = 1582874363328.

The previous prime is 3165748726577. The next prime is 3165748726669. The reversal of 3165748726664 is 4666278475613.

It can be written as a sum of positive squares in only one way, i.e., 2378905216900 + 786843509764 = 1542370^2 + 887042^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 3165748726664.

It is not an unprimeable number, because it can be changed into a prime (3165748726669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197859295409 + ... + 197859295424.

Almost surely, 2^{3165748726664} is an apocalyptic number.

It is an amenable number.

3165748726664 is a deficient number, since it is larger than the sum of its proper divisors (2770030135846).

3165748726664 is a wasteful number, since it uses less digits than its factorization.

3165748726664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395718590839 (or 395718590835 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 65.

The spelling of 3165748726664 in words is "three trillion, one hundred sixty-five billion, seven hundred forty-eight million, seven hundred twenty-six thousand, six hundred sixty-four".