16148391 has 24 divisors (see below), whose sum is σ = 25732080. Its totient is φ = 8975232.

The previous prime is 16148357. The next prime is 16148413. The reversal of 16148391 is 19384161.

It is not a de Polignac number, because 16148391 - 2¹¹ = 16146343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16148191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3955 + ... + 6923.

It is an arithmetic number, because the mean of its divisors is an integer number (1072170).

Almost surely, 2^16148391 is an apocalyptic number.

16148391 is a deficient number, since it is larger than the sum of its proper divisors (9583689).

16148391 is a wasteful number, since it uses less digits than its factorization.

16148391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023 (or 3016 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 16148391 is about 4018.5060656916. The cubic root of 16148391 is about 252.7608179724.

The spelling of 16148391 in words is "sixteen million, one hundred forty-eight thousand, three hundred ninety-one".