16622361 has 32 divisors (see below), whose sum is σ = 28916480. Its totient is φ = 9237888.

The previous prime is 16622357. The next prime is 16622393. The reversal of 16622361 is 16322661.

16622361 is a `hidden beast` number, since 1 + 6 + 622 + 36 + 1 = 666.

It is not a de Polignac number, because 16622361 - 2² = 16622357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16622351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5805 + ... + 8181.

It is an arithmetic number, because the mean of its divisors is an integer number (903640).

Almost surely, 2^16622361 is an apocalyptic number.

It is an amenable number.

16622361 is a deficient number, since it is larger than the sum of its proper divisors (12294119).

16622361 is a wasteful number, since it uses less digits than its factorization.

16622361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430 (or 2424 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 16622361 is about 4077.0529797882. The cubic root of 16622361 is about 255.2099309314.

The spelling of 16622361 in words is "sixteen million, six hundred twenty-two thousand, three hundred sixty-one".