16622541 has 24 divisors (see below), whose sum is σ = 26697216. Its totient is φ = 9897120.

The previous prime is 16622527. The next prime is 16622563. The reversal of 16622541 is 14522661.

It is not a de Polignac number, because 16622541 - 2¹¹ = 16620493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16622581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1336 + ... + 5918.

It is an arithmetic number, because the mean of its divisors is an integer number (1112384).

Almost surely, 2^16622541 is an apocalyptic number.

It is an amenable number.

16622541 is a deficient number, since it is larger than the sum of its proper divisors (10074675).

16622541 is a wasteful number, since it uses less digits than its factorization.

16622541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 4630 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 16622541 is about 4077.0750544968. The cubic root of 16622541 is about 255.2108521327.

The spelling of 16622541 in words is "sixteen million, six hundred twenty-two thousand, five hundred forty-one".