16552623 has 8 divisors (see below), whose sum is σ = 22092336. Its totient is φ = 11024000.

The previous prime is 16552619. The next prime is 16552651. The reversal of 16552623 is 32625561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16552623 - 2² = 16552619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16552693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1783 + ... + 6023.

It is an arithmetic number, because the mean of its divisors is an integer number (2761542).

Almost surely, 2^16552623 is an apocalyptic number.

16552623 is a deficient number, since it is larger than the sum of its proper divisors (5539713).

16552623 is a wasteful number, since it uses less digits than its factorization.

16552623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545.

The product of its digits is 10800, while the sum is 30.

The square root of 16552623 is about 4068.4914894835. The cubic root of 16552623 is about 254.8525252614.

It can be divided in two parts, 1655 and 2623, that added together give a triangular number (4278 = T₉₂).

The spelling of 16552623 in words is "sixteen million, five hundred fifty-two thousand, six hundred twenty-three".