16252454101 has 4 divisors (see below), whose sum is σ = 17502642892. Its totient is φ = 15002265312.

The previous prime is 16252454089. The next prime is 16252454117. The reversal of 16252454101 is 10145425261.

It is a happy number.

16252454101 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4212659025 + 12039795076 = 64905^2 + 109726^2 .

It is a cyclic number.

It is not a de Polignac number, because 16252454101 - 2⁵ = 16252454069 is a prime.

It is a super-2 number, since 2×16252454101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16252455101) 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 3 ways as a sum of consecutive naturals, for example, 625094376 + ... + 625094401.

It is an arithmetic number, because the mean of its divisors is an integer number (4375660723).

Almost surely, 2^16252454101 is an apocalyptic number.

It is an amenable number.

16252454101 is a deficient number, since it is larger than the sum of its proper divisors (1250188791).

16252454101 is a wasteful number, since it uses less digits than its factorization.

16252454101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250188790.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 16252454101 its reverse (10145425261), we get a palindrome (26397879362).

The spelling of 16252454101 in words is "sixteen billion, two hundred fifty-two million, four hundred fifty-four thousand, one hundred one".