16115155 has 16 divisors (see below), whose sum is σ = 22864320. Its totient is φ = 10668672.

The previous prime is 16115149. The next prime is 16115171. The reversal of 16115155 is 55151161.

It is not a de Polignac number, because 16115155 - 2³ = 16115147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6924 + ... + 8953.

It is an arithmetic number, because the mean of its divisors is an integer number (1429020).

Almost surely, 2^16115155 is an apocalyptic number.

16115155 is a deficient number, since it is larger than the sum of its proper divisors (6749165).

16115155 is a wasteful number, since it uses less digits than its factorization.

16115155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15918.

The product of its digits is 750, while the sum is 25.

The square root of 16115155 is about 4014.3685680316. The cubic root of 16115155 is about 252.5872913236.

The spelling of 16115155 in words is "sixteen million, one hundred fifteen thousand, one hundred fifty-five".