126102618663 has 16 divisors (see below), whose sum is σ = 192410234880. Its totient is φ = 71963440416.

The previous prime is 126102618647. The next prime is 126102618721. The reversal of 126102618663 is 366816201621.

It is not a de Polignac number, because 126102618663 - 2⁴ = 126102618647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126102618463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3950343 + ... + 3982136.

It is an arithmetic number, because the mean of its divisors is an integer number (12025639680).

Almost surely, 2^126102618663 is an apocalyptic number.

126102618663 is a deficient number, since it is larger than the sum of its proper divisors (66307616217).

126102618663 is an equidigital number, since it uses as much as digits as its factorization.

126102618663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933246.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 126102618663 in words is "one hundred twenty-six billion, one hundred two million, six hundred eighteen thousand, six hundred sixty-three".