16266620 has 24 divisors (see below), whose sum is σ = 36170064. Its totient is φ = 6123776.

The previous prime is 16266617. The next prime is 16266631. The reversal of 16266620 is 2666261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23582 + ... + 24261.

It is an arithmetic number, because the mean of its divisors is an integer number (1507086).

Almost surely, 2^16266620 is an apocalyptic number.

16266620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16266620 is an abundant number, since it is smaller than the sum of its proper divisors (19903444).

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

16266620 is a wasteful number, since it uses less digits than its factorization.

16266620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47869 (or 47867 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 16266620 is about 4033.1898046088. The cubic root of 16266620 is about 253.3761738876.

The spelling of 16266620 in words is "sixteen million, two hundred sixty-six thousand, six hundred twenty".