16140485 has 4 divisors (see below), whose sum is σ = 19368588. Its totient is φ = 12912384.

The previous prime is 16140479. The next prime is 16140521. The reversal of 16140485 is 58404161.

16140485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58404161 = 73 ⋅800057.

It can be written as a sum of positive squares in 2 ways, for example, as 8561476 + 7579009 = 2926^2 + 2753^2 .

It is a cyclic number.

It is not a de Polignac number, because 16140485 - 2⁴ = 16140469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1614044 + ... + 1614053.

It is an arithmetic number, because the mean of its divisors is an integer number (4842147).

Almost surely, 2^16140485 is an apocalyptic number.

It is an amenable number.

16140485 is a deficient number, since it is larger than the sum of its proper divisors (3228103).

16140485 is an equidigital number, since it uses as much as digits as its factorization.

16140485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228102.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 16140485 is about 4017.5222463603. The cubic root of 16140485 is about 252.7195619894.

The spelling of 16140485 in words is "sixteen million, one hundred forty thousand, four hundred eighty-five".