16153987 has 2 divisors, whose sum is σ = 16153988. Its totient is φ = 16153986.

The previous prime is 16153979. The next prime is 16153993. The reversal of 16153987 is 78935161.

It is a strong prime.

It is an emirp because it is prime and its reverse (78935161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16153987 - 2³ = 16153979 is a prime.

It is not a weakly prime, because it can be changed into another prime (16153937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8076993 + 8076994.

It is an arithmetic number, because the mean of its divisors is an integer number (8076994).

Almost surely, 2^16153987 is an apocalyptic number.

16153987 is a deficient number, since it is larger than the sum of its proper divisors (1).

16153987 is an equidigital number, since it uses as much as digits as its factorization.

16153987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The square root of 16153987 is about 4019.2022840360. The cubic root of 16153987 is about 252.7900115142.

The spelling of 16153987 in words is "sixteen million, one hundred fifty-three thousand, nine hundred eighty-seven".