16469980 has 12 divisors (see below), whose sum is σ = 34587000. Its totient is φ = 6587984.

The previous prime is 16469977. The next prime is 16469983. The reversal of 16469980 is 8996461.

It is an interprime number because it is at equal distance from previous prime (16469977) and next prime (16469983).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16469983) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 411730 + ... + 411769.

It is an arithmetic number, because the mean of its divisors is an integer number (2882250).

Almost surely, 2^16469980 is an apocalyptic number.

16469980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16469980 is an abundant number, since it is smaller than the sum of its proper divisors (18117020).

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

16469980 is a wasteful number, since it uses less digits than its factorization.

16469980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823508 (or 823506 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 16469980 is about 4058.3223134690. The cubic root of 16469980 is about 254.4276796682.

The spelling of 16469980 in words is "sixteen million, four hundred sixty-nine thousand, nine hundred eighty".