16275557 has 2 divisors, whose sum is σ = 16275558. Its totient is φ = 16275556.

The previous prime is 16275551. The next prime is 16275587. The reversal of 16275557 is 75557261.

16275557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16273156 + 2401 = 4034^2 + 49^2 .

It is a cyclic number.

It is not a de Polignac number, because 16275557 - 2⁴ = 16275541 is a prime.

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 16275557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16275551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8137778 + 8137779.

It is an arithmetic number, because the mean of its divisors is an integer number (8137779).

Almost surely, 2^16275557 is an apocalyptic number.

It is an amenable number.

16275557 is a deficient number, since it is larger than the sum of its proper divisors (1).

16275557 is an equidigital number, since it uses as much as digits as its factorization.

16275557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73500, while the sum is 38.

The square root of 16275557 is about 4034.2975844625. The cubic root of 16275557 is about 253.4225676333.

The spelling of 16275557 in words is "sixteen million, two hundred seventy-five thousand, five hundred fifty-seven".