266153740 has 24 divisors (see below), whose sum is σ = 560154672. Its totient is φ = 106226880.

The previous prime is 266153737. The next prime is 266153743. The reversal of 266153740 is 47351662.

It is a happy number.

266153740 is digitally balanced in base 3, 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 (266153737) and next prime (266153743).

It is a junction number, because it is equal to n+sod(n) for n = 266153696 and 266153705.

It is not an unprimeable number, because it can be changed into a prime (266153743) 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, 5214 + ... + 23653.

It is an arithmetic number, because the mean of its divisors is an integer number (23339778).

Almost surely, 2^266153740 is an apocalyptic number.

266153740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266153740 is an abundant number, since it is smaller than the sum of its proper divisors (294000932).

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

266153740 is a wasteful number, since it uses less digits than its factorization.

266153740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29337 (or 29335 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 266153740 is about 16314.2189515772. The cubic root of 266153740 is about 643.2466371460.

The spelling of 266153740 in words is "two hundred sixty-six million, one hundred fifty-three thousand, seven hundred forty".