16501485 has 96 divisors (see below), whose sum is σ = 36312192. Its totient is φ = 6289920.

The previous prime is 16501483. The next prime is 16501489. The reversal of 16501485 is 58410561.

It is not a de Polignac number, because 16501485 - 2¹ = 16501483 is a prime.

16501485 is a modest number, since divided by 1485 gives 165 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16501483) 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 95 ways as a sum of consecutive naturals, for example, 105027 + ... + 105183.

It is an arithmetic number, because the mean of its divisors is an integer number (378252).

Almost surely, 2^16501485 is an apocalyptic number.

16501485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16501485 is an abundant number, since it is smaller than the sum of its proper divisors (19810707).

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

16501485 is a wasteful number, since it uses less digits than its factorization.

16501485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 16501485 is about 4062.2019890695. The cubic root of 16501485 is about 254.5898057189.

It can be divided in two parts, 16 and 501485, that added together give a triangular number (501501 = T₁₀₀₁).

The spelling of 16501485 in words is "sixteen million, five hundred one thousand, four hundred eighty-five".