16535480 has 32 divisors (see below), whose sum is σ = 40068000. Its totient is φ = 6105216.

The previous prime is 16535473. The next prime is 16535501. The reversal of 16535480 is 8453561.

It is a happy number.

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, 15380 + ... + 16419.

It is an arithmetic number, because the mean of its divisors is an integer number (1252125).

Almost surely, 2^16535480 is an apocalyptic number.

16535480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16535480 is an abundant number, since it is smaller than the sum of its proper divisors (23532520).

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

16535480 is a wasteful number, since it uses less digits than its factorization.

16535480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31823 (or 31819 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 16535480 is about 4066.3841431916. The cubic root of 16535480 is about 254.7645141154.

The spelling of 16535480 in words is "sixteen million, five hundred thirty-five thousand, four hundred eighty".