16801087 has 2 divisors, whose sum is σ = 16801088. Its totient is φ = 16801086.

The previous prime is 16801067. The next prime is 16801097. The reversal of 16801087 is 78010861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16801087 - 2²³ = 8412479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16801007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8400543 + 8400544.

It is an arithmetic number, because the mean of its divisors is an integer number (8400544).

Almost surely, 2^16801087 is an apocalyptic number.

16801087 is a deficient number, since it is larger than the sum of its proper divisors (1).

16801087 is an equidigital number, since it uses as much as digits as its factorization.

16801087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 16801087 is about 4098.9129046614. The cubic root of 16801087 is about 256.1213566464.

The spelling of 16801087 in words is "sixteen million, eight hundred one thousand, eighty-seven".