266057051020246 has 4 divisors (see below), whose sum is σ = 399085576530372. Its totient is φ = 133028525510122.

The previous prime is 266057051020237. The next prime is 266057051020247. The reversal of 266057051020246 is 642020150750662.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 266057051020196 and 266057051020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266057051020247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66514262755060 + ... + 66514262755063.

It is an arithmetic number, because the mean of its divisors is an integer number (99771394132593).

Almost surely, 2^{266057051020246} is an apocalyptic number.

266057051020246 is a deficient number, since it is larger than the sum of its proper divisors (133028525510126).

266057051020246 is a wasteful number, since it uses less digits than its factorization.

266057051020246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133028525510125.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 266057051020246 in words is "two hundred sixty-six trillion, fifty-seven billion, fifty-one million, twenty thousand, two hundred forty-six".