126632121663 has 8 divisors (see below), whose sum is σ = 169178502528. Its totient is φ = 84253577624.

The previous prime is 126632121659. The next prime is 126632121677. The reversal of 126632121663 is 366121236621.

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

It is a cyclic number.

It is not a de Polignac number, because 126632121663 - 2² = 126632121659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126632121643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41957445 + ... + 41960462.

It is an arithmetic number, because the mean of its divisors is an integer number (21147312816).

Almost surely, 2^126632121663 is an apocalyptic number.

126632121663 is a deficient number, since it is larger than the sum of its proper divisors (42546380865).

126632121663 is an equidigital number, since it uses as much as digits as its factorization.

126632121663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83918413.

The product of its digits is 93312, while the sum is 39.

The spelling of 126632121663 in words is "one hundred twenty-six billion, six hundred thirty-two million, one hundred twenty-one thousand, six hundred sixty-three".