129163247796 has 48 divisors (see below), whose sum is σ = 329221928448. Its totient is φ = 39087669600.

The previous prime is 129163247791. The next prime is 129163247827. The reversal of 129163247796 is 697742361921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129163247791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560410 + ... + 756561.

It is an arithmetic number, because the mean of its divisors is an integer number (6858790176).

Almost surely, 2^129163247796 is an apocalyptic number.

It is an amenable number.

129163247796 is an abundant number, since it is smaller than the sum of its proper divisors (200058680652).

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

129163247796 is a wasteful number, since it uses less digits than its factorization.

129163247796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317732 (or 1317730 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 57.

The spelling of 129163247796 in words is "one hundred twenty-nine billion, one hundred sixty-three million, two hundred forty-seven thousand, seven hundred ninety-six".