16941969 has 12 divisors (see below), whose sum is σ = 26696592. Its totient is φ = 10267800.

The previous prime is 16941943. The next prime is 16941973. The reversal of 16941969 is 96914961.

It is not a de Polignac number, because 16941969 - 2⁵ = 16941937 is a prime.

It is a super-2 number, since 2×16941969² = 574060627193922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16941919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85467 + ... + 85664.

It is an arithmetic number, because the mean of its divisors is an integer number (2224716).

Almost surely, 2^16941969 is an apocalyptic number.

It is an amenable number.

16941969 is a deficient number, since it is larger than the sum of its proper divisors (9754623).

16941969 is a wasteful number, since it uses less digits than its factorization.

16941969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171148 (or 171145 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 16941969 is about 4116.0623173125. The cubic root of 16941969 is about 256.8352489682.

It can be divided in two parts, 1694 and 1969, that added together give a palindrome (3663).

The spelling of 16941969 in words is "sixteen million, nine hundred forty-one thousand, nine hundred sixty-nine".