16502480 has 20 divisors (see below), whose sum is σ = 38368452. Its totient is φ = 6600960.

The previous prime is 16502441. The next prime is 16502489. The reversal of 16502480 is 8420561.

It can be written as a sum of positive squares in 2 ways, for example, as 2334784 + 14167696 = 1528^2 + 3764^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×16502480³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16502489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103061 + ... + 103220.

Almost surely, 2^16502480 is an apocalyptic number.

16502480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16502480 is an abundant number, since it is smaller than the sum of its proper divisors (21865972).

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

16502480 is a wasteful number, since it uses less digits than its factorization.

16502480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206294 (or 206288 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 16502480 is about 4062.3244577458. The cubic root of 16502480 is about 254.5949226678.

The spelling of 16502480 in words is "sixteen million, five hundred two thousand, four hundred eighty".