29904165216 has 72 divisors (see below), whose sum is σ = 85118670000. Its totient is φ = 9958830336.

The previous prime is 29904165199. The next prime is 29904165217. The reversal of 29904165216 is 61256140992.

29904165216 is a `hidden beast` number, since 29 + 90 + 4 + 16 + 521 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29904165217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267285 + ... + 362283.

It is an arithmetic number, because the mean of its divisors is an integer number (1182203750).

Almost surely, 2^29904165216 is an apocalyptic number.

It is an amenable number.

29904165216 is an abundant number, since it is smaller than the sum of its proper divisors (55214504784).

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

29904165216 is a wasteful number, since it uses less digits than its factorization.

29904165216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96108 (or 96097 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 29904165216 in words is "twenty-nine billion, nine hundred four million, one hundred sixty-five thousand, two hundred sixteen".