126664770327744 has 112 divisors (see below), whose sum is σ = 370228443102720. Its totient is φ = 37897399587840.

The previous prime is 126664770327727. The next prime is 126664770327749. The reversal of 126664770327744 is 447723077466621.

It is a super-2 number, since 2×126664770327744² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (126664770327749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379414479 + ... + 379748174.

Almost surely, 2^{126664770327744} is an apocalyptic number.

It is an amenable number.

126664770327744 is an abundant number, since it is smaller than the sum of its proper divisors (243563672774976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126664770327744 is a wasteful number, since it uses less digits than its factorization.

126664770327744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759162758 (or 759162748 counting only the distinct ones).

The product of its (nonzero) digits is 398297088, while the sum is 66.

The spelling of 126664770327744 in words is "one hundred twenty-six trillion, six hundred sixty-four billion, seven hundred seventy million, three hundred twenty-seven thousand, seven hundred forty-four".