16146631 has 2 divisors, whose sum is σ = 16146632. Its totient is φ = 16146630.

The previous prime is 16146593. The next prime is 16146643. The reversal of 16146631 is 13664161.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16146631 is a prime.

It is a super-2 number, since 2×16146631² = 521427385300322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16146631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16146671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8073315 + 8073316.

It is an arithmetic number, because the mean of its divisors is an integer number (8073316).

Almost surely, 2^16146631 is an apocalyptic number.

16146631 is a deficient number, since it is larger than the sum of its proper divisors (1).

16146631 is an equidigital number, since it uses as much as digits as its factorization.

16146631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 16146631 is about 4018.2870728707. The cubic root of 16146631 is about 252.7516349068.

The spelling of 16146631 in words is "sixteen million, one hundred forty-six thousand, six hundred thirty-one".