266998032 has 200 divisors, whose sum is σ = 930248000. Its totient is φ = 72223488.

The previous prime is 266998021. The next prime is 266998057. The reversal of 266998032 is 230899662.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 171594 + ... + 173142.

It is an arithmetic number, because the mean of its divisors is an integer number (4651240).

Almost surely, 2^266998032 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 266998032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465124000).

266998032 is an abundant number, since it is smaller than the sum of its proper divisors (663249968).

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

266998032 is a wasteful number, since it uses less digits than its factorization.

266998032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595 (or 1580 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 266998032 is about 16340.0744184352. The cubic root of 266998032 is about 643.9260874755.

The spelling of 266998032 in words is "two hundred sixty-six million, nine hundred ninety-eight thousand, thirty-two".