126644654076 has 24 divisors (see below), whose sum is σ = 301791517440. Its totient is φ = 41316695472.

The previous prime is 126644654069. The next prime is 126644654077. The reversal of 126644654076 is 670456446621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126644654077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112273066 + ... + 112274193.

It is an arithmetic number, because the mean of its divisors is an integer number (12574646560).

Almost surely, 2^126644654076 is an apocalyptic number.

It is an amenable number.

126644654076 is an abundant number, since it is smaller than the sum of its proper divisors (175146863364).

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

126644654076 is a wasteful number, since it uses less digits than its factorization.

126644654076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224547313 (or 224547311 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 126644654076 in words is "one hundred twenty-six billion, six hundred forty-four million, six hundred fifty-four thousand, seventy-six".