16240901 has 6 divisors (see below), whose sum is σ = 16442706. Its totient is φ = 16040000.

The previous prime is 16240883. The next prime is 16240907. The reversal of 16240901 is 10904261.

It is a happy number.

It is a Cunningham number, because it is equal to 4030²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 15602500 + 638401 = 3950^2 + 799^2 .

It is not a de Polignac number, because 16240901 - 2⁶ = 16240837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16240907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40301 + ... + 40701.

It is an arithmetic number, because the mean of its divisors is an integer number (2740451).

Almost surely, 2^16240901 is an apocalyptic number.

It is an amenable number.

16240901 is a deficient number, since it is larger than the sum of its proper divisors (201805).

16240901 is an frugal number, since it uses more digits than its factorization.

16240901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 16240901 is about 4030.0001240695. Note that the first 3 decimals coincide. The cubic root of 16240901 is about 253.2425665520.

The spelling of 16240901 in words is "sixteen million, two hundred forty thousand, nine hundred one".