16622697 has 16 divisors (see below), whose sum is σ = 27278720. Its totient is φ = 8767872.

The previous prime is 16622693. The next prime is 16622699. The reversal of 16622697 is 79622661.

It is not a de Polignac number, because 16622697 - 2² = 16622693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (16622693) 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, 30172 + ... + 30717.

It is an arithmetic number, because the mean of its divisors is an integer number (1704920).

Almost surely, 2^16622697 is an apocalyptic number.

It is an amenable number.

16622697 is a deficient number, since it is larger than the sum of its proper divisors (10656023).

16622697 is a wasteful number, since it uses less digits than its factorization.

16622697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60912.

The product of its digits is 54432, while the sum is 39.

The square root of 16622697 is about 4077.0941858142. The cubic root of 16622697 is about 255.2116505017.

The spelling of 16622697 in words is "sixteen million, six hundred twenty-two thousand, six hundred ninety-seven".