126169776144 has 80 divisors (see below), whose sum is σ = 374642092800. Its totient is φ = 40606360704.

The previous prime is 126169776137. The next prime is 126169776157. The reversal of 126169776144 is 441677961621.

It is a happy number.

126169776144 is a `hidden beast` number, since 1 + 2 + 6 + 16 + 9 + 7 + 7 + 614 + 4 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5022984 + ... + 5048039.

It is an arithmetic number, because the mean of its divisors is an integer number (4683026160).

Almost surely, 2^126169776144 is an apocalyptic number.

It is an amenable number.

126169776144 is an abundant number, since it is smaller than the sum of its proper divisors (248472316656).

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

126169776144 is a wasteful number, since it uses less digits than its factorization.

126169776144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10071069 (or 10071057 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 126169776144 in words is "one hundred twenty-six billion, one hundred sixty-nine million, seven hundred seventy-six thousand, one hundred forty-four".