266323672 has 8 divisors (see below), whose sum is σ = 499356900. Its totient is φ = 133161832.

The previous prime is 266323633. The next prime is 266323691. The reversal of 266323672 is 276323662.

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

It is a hoax number, since the sum of its digits (37) 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16645222 + ... + 16645237.

Almost surely, 2^266323672 is an apocalyptic number.

It is an amenable number.

266323672 is a deficient number, since it is larger than the sum of its proper divisors (233033228).

266323672 is a wasteful number, since it uses less digits than its factorization.

266323672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33290465 (or 33290461 counting only the distinct ones).

The product of its digits is 108864, while the sum is 37.

The square root of 266323672 is about 16319.4262154035. The cubic root of 266323672 is about 643.3835065764.

It can be divided in two parts, 2663 and 23672, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 266323672 in words is "two hundred sixty-six million, three hundred twenty-three thousand, six hundred seventy-two".