126608776704 has 160 divisors (see below), whose sum is σ = 383913240480. Its totient is φ = 41173401600.

The previous prime is 126608776703. The next prime is 126608776709. The reversal of 126608776704 is 407677806621.

126608776704 is a `hidden beast` number, since 1 + 26 + 608 + 7 + 7 + 6 + 7 + 0 + 4 = 666.

It is a super-3 number, since 3×126608776704³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126608776703) 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, 455094 + ... + 678474.

It is an arithmetic number, because the mean of its divisors is an integer number (2399457753).

Almost surely, 2^126608776704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126608776704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191956620240).

126608776704 is an abundant number, since it is smaller than the sum of its proper divisors (257304463776).

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

126608776704 is an equidigital number, since it uses as much as digits as its factorization.

126608776704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223449 (or 223427 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 126608776704 in words is "one hundred twenty-six billion, six hundred eight million, seven hundred seventy-six thousand, seven hundred four".