16207952454913 has 4 divisors (see below), whose sum is σ = 16209063135748. Its totient is φ = 16206841774080.

The previous prime is 16207952454847. The next prime is 16207952454949. The reversal of 16207952454913 is 31945425970261.

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 1930829748849 + 14277122706064 = 1389543^2 + 3778508^2 .

It is a cyclic number.

It is not a de Polignac number, because 16207952454913 - 2³³ = 16199362520321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16207952454983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555318528 + ... + 555347713.

It is an arithmetic number, because the mean of its divisors is an integer number (4052265783937).

Almost surely, 2^{16207952454913} is an apocalyptic number.

It is an amenable number.

16207952454913 is a deficient number, since it is larger than the sum of its proper divisors (1110680835).

16207952454913 is a wasteful number, since it uses less digits than its factorization.

16207952454913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110680834.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 16207952454913 in words is "sixteen trillion, two hundred seven billion, nine hundred fifty-two million, four hundred fifty-four thousand, nine hundred thirteen".