266690352 has 40 divisors (see below), whose sum is σ = 689795136. Its totient is φ = 88787776.

The previous prime is 266690317. The next prime is 266690357. The reversal of 266690352 is 253096662.

It is a super-2 number, since 2×266690352² = 142247487699767808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266690352.

It is not an unprimeable number, because it can be changed into a prime (266690357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42523 + ... + 48389.

Almost surely, 2^266690352 is an apocalyptic number.

It is an amenable number.

266690352 is an abundant number, since it is smaller than the sum of its proper divisors (423104784).

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

266690352 is a wasteful number, since it uses less digits than its factorization.

266690352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825 (or 6819 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 266690352 is about 16330.6568147151. The cubic root of 266690352 is about 643.6786457878.

The spelling of 266690352 in words is "two hundred sixty-six million, six hundred ninety thousand, three hundred fifty-two".