16109655 has 32 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 8318592.

The previous prime is 16109651. The next prime is 16109669. The reversal of 16109655 is 55690161.

It is not a de Polignac number, because 16109655 - 2² = 16109651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16109651) 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, 96382 + ... + 96548.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^16109655 is an apocalyptic number.

16109655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16109655 is a deficient number, since it is larger than the sum of its proper divisors (10501545).

16109655 is a wasteful number, since it uses less digits than its factorization.

16109655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 16109655 is about 4013.6834703300. The cubic root of 16109655 is about 252.5585525748.

The spelling of 16109655 in words is "sixteen million, one hundred nine thousand, six hundred fifty-five".