16791155 has 32 divisors (see below), whose sum is σ = 23146560. Its totient is φ = 11612160.

The previous prime is 16791143. The next prime is 16791157. The reversal of 16791155 is 55119761.

It is a happy number.

It is not a de Polignac number, because 16791155 - 2⁶ = 16791091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16791157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59615 + ... + 59895.

It is an arithmetic number, because the mean of its divisors is an integer number (723330).

Almost surely, 2^16791155 is an apocalyptic number.

16791155 is a deficient number, since it is larger than the sum of its proper divisors (6355405).

16791155 is a wasteful number, since it uses less digits than its factorization.

16791155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359.

The product of its digits is 9450, while the sum is 35.

The square root of 16791155 is about 4097.7011848108. The cubic root of 16791155 is about 256.0708777948.

The spelling of 16791155 in words is "sixteen million, seven hundred ninety-one thousand, one hundred fifty-five".