126742754166 has 64 divisors (see below), whose sum is σ = 299005378560. Its totient is φ = 35067083040.

The previous prime is 126742754161. The next prime is 126742754179. The reversal of 126742754166 is 661457247621.

It is a super-2 number, since 2×126742754166² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126742754161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215670 + ... + 547721.

It is an arithmetic number, because the mean of its divisors is an integer number (4671959040).

Almost surely, 2^126742754166 is an apocalyptic number.

126742754166 is an abundant number, since it is smaller than the sum of its proper divisors (172262624394).

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

126742754166 is a wasteful number, since it uses less digits than its factorization.

126742754166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763529.

The product of its digits is 3386880, while the sum is 51.

The spelling of 126742754166 in words is "one hundred twenty-six billion, seven hundred forty-two million, seven hundred fifty-four thousand, one hundred sixty-six".