16620067 has 8 divisors (see below), whose sum is σ = 18074016. Its totient is φ = 15219072.

The previous prime is 16620049. The next prime is 16620119. The reversal of 16620067 is 76002661.

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 16620067 - 2²³ = 8231459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16620017) 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, 12583 + ... + 13840.

It is an arithmetic number, because the mean of its divisors is an integer number (2259252).

Almost surely, 2^16620067 is an apocalyptic number.

16620067 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16620067 is a deficient number, since it is larger than the sum of its proper divisors (1453949).

16620067 is a wasteful number, since it uses less digits than its factorization.

16620067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26477.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 16620067 is about 4076.7716394225. The cubic root of 16620067 is about 255.1981901501.

The spelling of 16620067 in words is "sixteen million, six hundred twenty thousand, sixty-seven".