16623061 has 16 divisors (see below), whose sum is σ = 21168000. Its totient is φ = 12696768.

The previous prime is 16623031. The next prime is 16623071. The reversal of 16623061 is 16032661.

It is not a de Polignac number, because 16623061 - 2⁷ = 16622933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16623001) 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, 511 + ... + 5788.

It is an arithmetic number, because the mean of its divisors is an integer number (1323000).

Almost surely, 2^16623061 is an apocalyptic number.

It is an amenable number.

16623061 is a deficient number, since it is larger than the sum of its proper divisors (4544939).

16623061 is a wasteful number, since it uses less digits than its factorization.

16623061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6348.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 16623061 is about 4077.1388252057. The cubic root of 16623061 is about 255.2135133435.

The spelling of 16623061 in words is "sixteen million, six hundred twenty-three thousand, sixty-one".