16191148 has 6 divisors (see below), whose sum is σ = 28334516. Its totient is φ = 8095572.

The previous prime is 16191139. The next prime is 16191167. The reversal of 16191148 is 84119161.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2023890 + ... + 2023897.

Almost surely, 2^16191148 is an apocalyptic number.

It is an amenable number.

16191148 is a deficient number, since it is larger than the sum of its proper divisors (12143368).

16191148 is a wasteful number, since it uses less digits than its factorization.

16191148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047791 (or 4047789 counting only the distinct ones).

The product of its digits is 1728, while the sum is 31.

The square root of 16191148 is about 4023.8225607002. The cubic root of 16191148 is about 252.9837043669.

The spelling of 16191148 in words is "sixteen million, one hundred ninety-one thousand, one hundred forty-eight".