266052416 has 56 divisors (see below), whose sum is σ = 622864896. Its totient is φ = 110338560.

The previous prime is 266052389. The next prime is 266052503. The reversal of 266052416 is 614250662.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4310 + ... + 23466.

Almost surely, 2^266052416 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 266052416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311432448).

266052416 is an abundant number, since it is smaller than the sum of its proper divisors (356812480).

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

266052416 is a wasteful number, since it uses less digits than its factorization.

266052416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19207 (or 19197 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 266052416 is about 16311.1132667271. The cubic root of 266052416 is about 643.1649993743.

266052416 divided by its sum of digits (32) gives a palindrome (8314138).

The spelling of 266052416 in words is "two hundred sixty-six million, fifty-two thousand, four hundred sixteen".