29169890112 has 84 divisors (see below), whose sum is σ = 84832817888. Its totient is φ = 8839353600.

The previous prime is 29169890077. The next prime is 29169890153. The reversal of 29169890112 is 21109896192.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604564 + ... + 651027.

Almost surely, 2^29169890112 is an apocalyptic number.

29169890112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29169890112 is an abundant number, since it is smaller than the sum of its proper divisors (55662927776).

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

29169890112 is a wasteful number, since it uses less digits than its factorization.

29169890112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255628 (or 1255607 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 48.

The spelling of 29169890112 in words is "twenty-nine billion, one hundred sixty-nine million, eight hundred ninety thousand, one hundred twelve".