266332752 has 160 divisors (see below), whose sum is σ = 904108800. Its totient is φ = 73446912.

The previous prime is 266332739. The next prime is 266332763. The reversal of 266332752 is 257233662.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 86178 + ... + 89214.

It is an arithmetic number, because the mean of its divisors is an integer number (5650680).

Almost surely, 2^266332752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266332752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452054400).

266332752 is an abundant number, since it is smaller than the sum of its proper divisors (637776048).

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

266332752 is a wasteful number, since it uses less digits than its factorization.

266332752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090 (or 3078 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 266332752 is about 16319.7044090878. The cubic root of 266332752 is about 643.3908183008.

The spelling of 266332752 in words is "two hundred sixty-six million, three hundred thirty-two thousand, seven hundred fifty-two".