16662045 has 8 divisors (see below), whose sum is σ = 26659296. Its totient is φ = 8886416.

The previous prime is 16662043. The next prime is 16662049. The reversal of 16662045 is 54026661.

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 16662045 - 2¹ = 16662043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16662043) 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, 555387 + ... + 555416.

It is an arithmetic number, because the mean of its divisors is an integer number (3332412).

Almost surely, 2^16662045 is an apocalyptic number.

16662045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16662045 is a deficient number, since it is larger than the sum of its proper divisors (9997251).

16662045 is a wasteful number, since it uses less digits than its factorization.

16662045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110811.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 16662045 is about 4081.9168291380. The cubic root of 16662045 is about 255.4128644367.

The spelling of 16662045 in words is "sixteen million, six hundred sixty-two thousand, forty-five".