266060664 has 48 divisors (see below), whose sum is σ = 727735320. Its totient is φ = 87806400.

The previous prime is 266060657. The next prime is 266060681. The reversal of 266060664 is 466060662.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11022 + ... + 25565.

Almost surely, 2^266060664 is an apocalyptic number.

266060664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

266060664 is an abundant number, since it is smaller than the sum of its proper divisors (461674656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266060664 is a wasteful number, since it uses less digits than its factorization.

266060664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36700 (or 36693 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 266060664 is about 16311.3660985216. The cubic root of 266060664 is about 643.1716456462.

The spelling of 266060664 in words is "two hundred sixty-six million, sixty thousand, six hundred sixty-four".