266430996 has 144 divisors (see below), whose sum is σ = 774795840. Its totient is φ = 76728384.

The previous prime is 266430991. The next prime is 266431001. The reversal of 266430996 is 699034662.

266430996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (266430991) and next prime (266431001).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266430991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3209971 + ... + 3210053.

Almost surely, 2^266430996 is an apocalyptic number.

266430996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266430996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387397920).

266430996 is an abundant number, since it is smaller than the sum of its proper divisors (508364844).

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

266430996 is a wasteful number, since it uses less digits than its factorization.

266430996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 266430996 is about 16322.7141125488. The cubic root of 266430996 is about 643.4699192456.

The spelling of 266430996 in words is "two hundred sixty-six million, four hundred thirty thousand, nine hundred ninety-six".