16985581035514 has 32 divisors (see below), whose sum is σ = 31480011392256. Its totient is φ = 6693424312320.

The previous prime is 16985581035487. The next prime is 16985581035517. The reversal of 16985581035514 is 41553018558961.

It is a super-2 number, since 2×16985581035514² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16985581035517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181523982 + ... + 181617529.

It is an arithmetic number, because the mean of its divisors is an integer number (983750356008).

Almost surely, 2^{16985581035514} is an apocalyptic number.

16985581035514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16985581035514 is a deficient number, since it is larger than the sum of its proper divisors (14494430356742).

16985581035514 is a wasteful number, since it uses less digits than its factorization.

16985581035514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363141790.

The product of its (nonzero) digits is 25920000, while the sum is 61.

The spelling of 16985581035514 in words is "sixteen trillion, nine hundred eighty-five billion, five hundred eighty-one million, thirty-five thousand, five hundred fourteen".