16690627 has 2 divisors, whose sum is σ = 16690628. Its totient is φ = 16690626.

The previous prime is 16690621. The next prime is 16690633. The reversal of 16690627 is 72609661.

It is a balanced prime because it is at equal distance from previous prime (16690621) and next prime (16690633).

It is an emirp because it is prime and its reverse (72609661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16690627 - 2¹¹ = 16688579 is a prime.

It is not a weakly prime, because it can be changed into another prime (16690621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8345313 + 8345314.

It is an arithmetic number, because the mean of its divisors is an integer number (8345314).

Almost surely, 2^16690627 is an apocalyptic number.

16690627 is a deficient number, since it is larger than the sum of its proper divisors (1).

16690627 is an equidigital number, since it uses as much as digits as its factorization.

16690627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 16690627 is about 4085.4163802482. The cubic root of 16690627 is about 255.5588257160.

The spelling of 16690627 in words is "sixteen million, six hundred ninety thousand, six hundred twenty-seven".