16538953944360 has 64 divisors (see below), whose sum is σ = 49617394790400. Its totient is φ = 4410340344576.

The previous prime is 16538953944353. The next prime is 16538953944367. The reversal of 16538953944360 is 6344935983561.

It is an interprime number because it is at equal distance from previous prime (16538953944353) and next prime (16538953944367).

It is a super-2 number, since 2×16538953944360² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16538953944291 and 16538953944300.

It is not an unprimeable number, because it can be changed into a prime (16538953944367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11289177 + ... + 12669783.

It is an arithmetic number, because the mean of its divisors is an integer number (775271793600).

Almost surely, 2^{16538953944360} is an apocalyptic number.

16538953944360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16538953944360 is an abundant number, since it is smaller than the sum of its proper divisors (33078440846040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16538953944360 is a wasteful number, since it uses less digits than its factorization.

16538953944360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480450 (or 1480446 counting only the distinct ones).

The product of its (nonzero) digits is 251942400, while the sum is 66.

The spelling of 16538953944360 in words is "sixteen trillion, five hundred thirty-eight billion, nine hundred fifty-three million, nine hundred forty-four thousand, three hundred sixty".