126664366031 has 8 divisors (see below), whose sum is σ = 144763770144. Its totient is φ = 108566085600.

The previous prime is 126664366007. The next prime is 126664366057. The reversal of 126664366031 is 130663466621.

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

It is a de Polignac number, because none of the positive numbers 2^k-126664366031 is a prime.

It is a super-2 number, since 2×126664366031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126664366091) 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, 23660 + ... + 503873.

It is an arithmetic number, because the mean of its divisors is an integer number (18095471268).

Almost surely, 2^126664366031 is an apocalyptic number.

126664366031 is a deficient number, since it is larger than the sum of its proper divisors (18099404113).

126664366031 is an equidigital number, since it uses as much as digits as its factorization.

126664366031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561841.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 126664366031 in words is "one hundred twenty-six billion, six hundred sixty-four million, three hundred sixty-six thousand, thirty-one".