16031197 has 16 divisors (see below), whose sum is σ = 19918080. Its totient is φ = 12563712.

The previous prime is 16031149. The next prime is 16031237. The reversal of 16031197 is 79113061.

It is not a de Polignac number, because 16031197 - 2¹¹ = 16029149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16031107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9504 + ... + 11062.

It is an arithmetic number, because the mean of its divisors is an integer number (1244880).

Almost surely, 2^16031197 is an apocalyptic number.

It is an amenable number.

16031197 is a deficient number, since it is larger than the sum of its proper divisors (3886883).

16031197 is a wasteful number, since it uses less digits than its factorization.

16031197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 16031197 is about 4003.8977259665. The cubic root of 16031197 is about 252.1478776387.

The spelling of 16031197 in words is "sixteen million, thirty-one thousand, one hundred ninety-seven".