16790091 has 8 divisors (see below), whose sum is σ = 23565120. Its totient is φ = 10604232.

The previous prime is 16790087. The next prime is 16790093. The reversal of 16790091 is 19009761.

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

It is not a de Polignac number, because 16790091 - 2² = 16790087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16790093) 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, 147225 + ... + 147338.

It is an arithmetic number, because the mean of its divisors is an integer number (2945640).

Almost surely, 2^16790091 is an apocalyptic number.

16790091 is a deficient number, since it is larger than the sum of its proper divisors (6775029).

16790091 is a wasteful number, since it uses less digits than its factorization.

16790091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294585.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 16790091 is about 4097.5713538632. The cubic root of 16790091 is about 256.0654688921.

The spelling of 16790091 in words is "sixteen million, seven hundred ninety thousand, ninety-one".