268690606 has 4 divisors (see below), whose sum is σ = 403035912. Its totient is φ = 134345302.

The previous prime is 268690567. The next prime is 268690607. The reversal of 268690606 is 606096862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268690607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67172650 + ... + 67172653.

It is an arithmetic number, because the mean of its divisors is an integer number (100758978).

Almost surely, 2^268690606 is an apocalyptic number.

268690606 is a deficient number, since it is larger than the sum of its proper divisors (134345306).

268690606 is a wasteful number, since it uses less digits than its factorization.

268690606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134345305.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 268690606 is about 16391.7847106409. The cubic root of 268690606 is about 645.2838972183.

The spelling of 268690606 in words is "two hundred sixty-eight million, six hundred ninety thousand, six hundred six".