16803456413 has 8 divisors (see below), whose sum is σ = 16935876408. Its totient is φ = 16671504384.

The previous prime is 16803456407. The next prime is 16803456437. The reversal of 16803456413 is 31465430861.

It can be written as a sum of positive squares in 4 ways, for example, as 2912005369 + 13891451044 = 53963^2 + 117862^2 .

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 16803456413 - 2²⁰ = 16802407837 is a prime.

It is a super-2 number, since 2×16803456413² (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 (16803456463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44720 + ... + 188697.

It is an arithmetic number, because the mean of its divisors is an integer number (2116984551).

Almost surely, 2^16803456413 is an apocalyptic number.

It is an amenable number.

16803456413 is a deficient number, since it is larger than the sum of its proper divisors (132419995).

16803456413 is a wasteful number, since it uses less digits than its factorization.

16803456413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233983.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 16803456413 in words is "sixteen billion, eight hundred three million, four hundred fifty-six thousand, four hundred thirteen".