16252352869 has 8 divisors (see below), whose sum is σ = 17801766360. Its totient is φ = 14768871936.

The previous prime is 16252352861. The next prime is 16252352887. The reversal of 16252352869 is 96825325261.

It can be written as a sum of positive squares in 4 ways, for example, as 1462144644 + 14790208225 = 38238^2 + 121615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16252352869 - 2³ = 16252352861 is a prime.

It is a super-2 number, since 2×16252352869² (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 (16252352861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16482624 + ... + 16483609.

It is an arithmetic number, because the mean of its divisors is an integer number (2225220795).

Almost surely, 2^16252352869 is an apocalyptic number.

It is an amenable number.

16252352869 is a deficient number, since it is larger than the sum of its proper divisors (1549413491).

16252352869 is a wasteful number, since it uses less digits than its factorization.

16252352869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32966279.

The product of its digits is 1555200, while the sum is 49.

The spelling of 16252352869 in words is "sixteen billion, two hundred fifty-two million, three hundred fifty-two thousand, eight hundred sixty-nine".