126964021280566 has 8 divisors (see below), whose sum is σ = 190466247003984. Its totient is φ = 63475272279240.

The previous prime is 126964021280477. The next prime is 126964021280567. The reversal of 126964021280566 is 665082120469621.

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

It is a super-3 number, since 3×126964021280566³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 126964021280566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126964021280567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3369156970 + ... + 3369194653.

It is an arithmetic number, because the mean of its divisors is an integer number (23808280875498).

Almost surely, 2^{126964021280566} is an apocalyptic number.

126964021280566 is a deficient number, since it is larger than the sum of its proper divisors (63502225723418).

126964021280566 is an equidigital number, since it uses as much as digits as its factorization.

126964021280566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738361046.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 126964021280566 in words is "one hundred twenty-six trillion, nine hundred sixty-four billion, twenty-one million, two hundred eighty thousand, five hundred sixty-six".