16361987 has 2 divisors, whose sum is σ = 16361988. Its totient is φ = 16361986.

The previous prime is 16361977. The next prime is 16362011. The reversal of 16361987 is 78916361.

16361987 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 is a cyclic number.

It is not a de Polignac number, because 16361987 - 2⁶ = 16361923 is a prime.

It is not a weakly prime, because it can be changed into another prime (16361977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8180993 + 8180994.

It is an arithmetic number, because the mean of its divisors is an integer number (8180994).

Almost surely, 2^16361987 is an apocalyptic number.

16361987 is a deficient number, since it is larger than the sum of its proper divisors (1).

16361987 is an equidigital number, since it uses as much as digits as its factorization.

16361987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 16361987 is about 4044.9953028403. The cubic root of 16361987 is about 253.8703690940.

The spelling of 16361987 in words is "sixteen million, three hundred sixty-one thousand, nine hundred eighty-seven".