16628970 has 16 divisors (see below), whose sum is σ = 39909600. Its totient is φ = 4434384.

The previous prime is 16628951. The next prime is 16628993. The reversal of 16628970 is 7982661.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277120 + ... + 277179.

It is an arithmetic number, because the mean of its divisors is an integer number (2494350).

Almost surely, 2^16628970 is an apocalyptic number.

16628970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16628970 is an abundant number, since it is smaller than the sum of its proper divisors (23280630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16628970 is a wasteful number, since it uses less digits than its factorization.

16628970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554309.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 16628970 is about 4077.8634111505. The cubic root of 16628970 is about 255.2437500128.

The spelling of 16628970 in words is "sixteen million, six hundred twenty-eight thousand, nine hundred seventy".