126361393916 has 12 divisors (see below), whose sum is σ = 221138016120. Its totient is φ = 63179103600.

The previous prime is 126361393891. The next prime is 126361393943. The reversal of 126361393916 is 619393163621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210011 + ... + 544818.

It is an arithmetic number, because the mean of its divisors is an integer number (18428168010).

Almost surely, 2^126361393916 is an apocalyptic number.

It is an amenable number.

126361393916 is a deficient number, since it is larger than the sum of its proper divisors (94776622204).

126361393916 is a wasteful number, since it uses less digits than its factorization.

126361393916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796684 (or 796682 counting only the distinct ones).

The product of its digits is 944784, while the sum is 50.

The spelling of 126361393916 in words is "one hundred twenty-six billion, three hundred sixty-one million, three hundred ninety-three thousand, nine hundred sixteen".