266004365163604 has 12 divisors (see below), whose sum is σ = 473138911807828. Its totient is φ = 130821818932800.

The previous prime is 266004365163587. The next prime is 266004365163727. The reversal of 266004365163604 is 406361563400662.

It can be written as a sum of positive squares in 2 ways, for example, as 3896683896004 + 262107681267600 = 1974002^2 + 16189740^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545090911977 + ... + 545090912464.

Almost surely, 2^{266004365163604} is an apocalyptic number.

It is an amenable number.

266004365163604 is a deficient number, since it is larger than the sum of its proper divisors (207134546644224).

266004365163604 is a wasteful number, since it uses less digits than its factorization.

266004365163604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090181824506 (or 1090181824504 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 52.

The spelling of 266004365163604 in words is "two hundred sixty-six trillion, four billion, three hundred sixty-five million, one hundred sixty-three thousand, six hundred four".