16918141 has 2 divisors, whose sum is σ = 16918142. Its totient is φ = 16918140.

The previous prime is 16918129. The next prime is 16918169. The reversal of 16918141 is 14181961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10106041 + 6812100 = 3179^2 + 2610^2 .

It is a cyclic number.

It is not a de Polignac number, because 16918141 - 2¹⁵ = 16885373 is a prime.

It is equal to p_1086349 and since 16918141 and 1086349 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16918171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8459070 + 8459071.

It is an arithmetic number, because the mean of its divisors is an integer number (8459071).

Almost surely, 2^16918141 is an apocalyptic number.

It is an amenable number.

16918141 is a deficient number, since it is larger than the sum of its proper divisors (1).

16918141 is an equidigital number, since it uses as much as digits as its factorization.

16918141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 31.

The square root of 16918141 is about 4113.1667848508. The cubic root of 16918141 is about 256.7147839925.

The spelling of 16918141 in words is "sixteen million, nine hundred eighteen thousand, one hundred forty-one".