29918343167999 has 128 divisors (see below), whose sum is σ = 38854287360000. Its totient is φ = 22621808563200.

The previous prime is 29918343167987. The next prime is 29918343168001. The reversal of 29918343167999 is 99976134381992.

It is a de Polignac number, because none of the positive numbers 2^k-29918343167999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29918343167959) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1251853952 + ... + 1251877850.

It is an arithmetic number, because the mean of its divisors is an integer number (303549120000).

Almost surely, 2^{29918343167999} is an apocalyptic number.

29918343167999 is a deficient number, since it is larger than the sum of its proper divisors (8935944192001).

29918343167999 is a wasteful number, since it uses less digits than its factorization.

29918343167999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24229.

The product of its digits is 1428513408, while the sum is 80.

The spelling of 29918343167999 in words is "twenty-nine trillion, nine hundred eighteen billion, three hundred forty-three million, one hundred sixty-seven thousand, nine hundred ninety-nine".