262668131 has 12 divisors (see below), whose sum is σ = 291008256. Its totient is φ = 236895120.

The previous prime is 262668113. The next prime is 262668163. The reversal of 262668131 is 131866262.

It is a de Polignac number, because none of the positive numbers 2^k-262668131 is a prime.

It is a super-2 number, since 2×262668131² = 137989094086066322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 262668091 and 262668100.

It is not an unprimeable number, because it can be changed into a prime (262661131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6821 + ... + 23913.

It is an arithmetic number, because the mean of its divisors is an integer number (24250688).

Almost surely, 2^262668131 is an apocalyptic number.

262668131 is a deficient number, since it is larger than the sum of its proper divisors (28340125).

262668131 is a wasteful number, since it uses less digits than its factorization.

262668131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17242 (or 17231 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 262668131 is about 16207.0395507631. The cubic root of 262668131 is about 640.4262549410.

The spelling of 262668131 in words is "two hundred sixty-two million, six hundred sixty-eight thousand, one hundred thirty-one".