29161091 has 8 divisors (see below), whose sum is σ = 29737344. Its totient is φ = 28589760.

The previous prime is 29161087. The next prime is 29161133. The reversal of 29161091 is 19016192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29161091 - 2² = 29161087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29161081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12110 + ... + 14316.

It is an arithmetic number, because the mean of its divisors is an integer number (3717168).

Almost surely, 2^29161091 is an apocalyptic number.

29161091 is a deficient number, since it is larger than the sum of its proper divisors (576253).

29161091 is a wasteful number, since it uses less digits than its factorization.

29161091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 29161091 is about 5400.1010175737. The cubic root of 29161091 is about 307.7995090036.

The spelling of 29161091 in words is "twenty-nine million, one hundred sixty-one thousand, ninety-one".