266426401246 has 8 divisors (see below), whose sum is σ = 400616717040. Its totient is φ = 132887495568.

The previous prime is 266426401231. The next prime is 266426401253. The reversal of 266426401246 is 642104624662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162851506 + ... + 162853141.

It is an arithmetic number, because the mean of its divisors is an integer number (50077089630).

Almost surely, 2^266426401246 is an apocalyptic number.

266426401246 is a deficient number, since it is larger than the sum of its proper divisors (134190315794).

266426401246 is a wasteful number, since it uses less digits than its factorization.

266426401246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325705058.

The product of its (nonzero) digits is 663552, while the sum is 43.

The spelling of 266426401246 in words is "two hundred sixty-six billion, four hundred twenty-six million, four hundred one thousand, two hundred forty-six".