16155147 has 4 divisors (see below), whose sum is σ = 21540200. Its totient is φ = 10770096.

The previous prime is 16155109. The next prime is 16155157. The reversal of 16155147 is 74155161.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16155147 - 2⁸ = 16154891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16155157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692522 + ... + 2692527.

It is an arithmetic number, because the mean of its divisors is an integer number (5385050).

Almost surely, 2^16155147 is an apocalyptic number.

16155147 is a deficient number, since it is larger than the sum of its proper divisors (5385053).

16155147 is an equidigital number, since it uses as much as digits as its factorization.

16155147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385052.

The product of its digits is 4200, while the sum is 30.

The square root of 16155147 is about 4019.3465886883. The cubic root of 16155147 is about 252.7960622267.

The spelling of 16155147 in words is "sixteen million, one hundred fifty-five thousand, one hundred forty-seven".