16057631 has 2 divisors, whose sum is σ = 16057632. Its totient is φ = 16057630.

The previous prime is 16057627. The next prime is 16057649. The reversal of 16057631 is 13675061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16057631 - 2² = 16057627 is a prime.

It is a super-2 number, since 2×16057631² = 515695026664322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16057594 and 16057603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16057651) 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, 8028815 + 8028816.

It is an arithmetic number, because the mean of its divisors is an integer number (8028816).

Almost surely, 2^16057631 is an apocalyptic number.

16057631 is a deficient number, since it is larger than the sum of its proper divisors (1).

16057631 is an equidigital number, since it uses as much as digits as its factorization.

16057631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 16057631 is about 4007.1973996797. The cubic root of 16057631 is about 252.2863912480.

The spelling of 16057631 in words is "sixteen million, fifty-seven thousand, six hundred thirty-one".