16021480 has 32 divisors (see below), whose sum is σ = 38170440. Its totient is φ = 6031360.

The previous prime is 16021459. The next prime is 16021483. The reversal of 16021480 is 8412061.

It can be written as a sum of positive squares in 4 ways, for example, as 12716356 + 3305124 = 3566^2 + 1818^2 .

It is not an unprimeable number, because it can be changed into a prime (16021483) 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, 11101 + ... + 12460.

Almost surely, 2^16021480 is an apocalyptic number.

16021480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16021480 is an abundant number, since it is smaller than the sum of its proper divisors (22148960).

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

16021480 is a wasteful number, since it uses less digits than its factorization.

16021480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23589 (or 23585 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 16021480 is about 4002.6840994513. The cubic root of 16021480 is about 252.0969224891.

The spelling of 16021480 in words is "sixteen million, twenty-one thousand, four hundred eighty".