126291881367 has 96 divisors (see below), whose sum is σ = 197649953280. Its totient is φ = 77552640000.

The previous prime is 126291881363. The next prime is 126291881377. The reversal of 126291881367 is 763188192621.

126291881367 is a `hidden beast` number, since 1 + 2 + 629 + 1 + 8 + 8 + 1 + 3 + 6 + 7 = 666.

It is not a de Polignac number, because 126291881367 - 2² = 126291881363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126291881363) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 92792767 + ... + 92794127.

It is an arithmetic number, because the mean of its divisors is an integer number (2058853680).

Almost surely, 2^126291881367 is an apocalyptic number.

126291881367 is a deficient number, since it is larger than the sum of its proper divisors (71358071913).

126291881367 is a wasteful number, since it uses less digits than its factorization.

126291881367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1622 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The spelling of 126291881367 in words is "one hundred twenty-six billion, two hundred ninety-one million, eight hundred eighty-one thousand, three hundred sixty-seven".