16504542136340 has 24 divisors (see below), whose sum is σ = 34661780006112. Its totient is φ = 6601389898400.

The previous prime is 16504542136267. The next prime is 16504542136361. The reversal of 16504542136340 is 4363124540561.

It is a super-2 number, since 2×16504542136340² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16504542136291 and 16504542136300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26367686 + ... + 26986365.

It is an arithmetic number, because the mean of its divisors is an integer number (1444240833588).

Almost surely, 2^{16504542136340} is an apocalyptic number.

16504542136340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16504542136340 is an abundant number, since it is smaller than the sum of its proper divisors (18157237869772).

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

16504542136340 is a wasteful number, since it uses less digits than its factorization.

16504542136340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53369527 (or 53369525 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 16504542136340 in words is "sixteen trillion, five hundred four billion, five hundred forty-two million, one hundred thirty-six thousand, three hundred forty".