29191164 has 12 divisors (see below), whose sum is σ = 68112744. Its totient is φ = 9730384.

The previous prime is 29191157. The next prime is 29191189. The reversal of 29191164 is 46119192.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1216287 + ... + 1216310.

It is an arithmetic number, because the mean of its divisors is an integer number (5676062).

Almost surely, 2^29191164 is an apocalyptic number.

It is an amenable number.

29191164 is an abundant number, since it is smaller than the sum of its proper divisors (38921580).

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

29191164 is a wasteful number, since it uses less digits than its factorization.

29191164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432604 (or 2432602 counting only the distinct ones).

The product of its digits is 3888, while the sum is 33.

The square root of 29191164 is about 5402.8847850014. The cubic root of 29191164 is about 307.9052809320.

The spelling of 29191164 in words is "twenty-nine million, one hundred ninety-one thousand, one hundred sixty-four".