16099155 has 40 divisors (see below), whose sum is σ = 29179392. Its totient is φ = 8491392.

The previous prime is 16099151. The next prime is 16099163. The reversal of 16099155 is 55199061.

It is not a de Polignac number, because 16099155 - 2² = 16099151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16099151) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 51279 + ... + 51591.

Almost surely, 2^16099155 is an apocalyptic number.

16099155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16099155 is a deficient number, since it is larger than the sum of its proper divisors (13080237).

16099155 is a wasteful number, since it uses less digits than its factorization.

16099155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The square root of 16099155 is about 4012.3752317050. The cubic root of 16099155 is about 252.5036695215.

The spelling of 16099155 in words is "sixteen million, ninety-nine thousand, one hundred fifty-five".