16361571862540 has 24 divisors (see below), whose sum is σ = 34359989882400. Its totient is φ = 6544497512448.

The previous prime is 16361571862523. The next prime is 16361571862541. The reversal of 16361571862540 is 4526817516361.

16361571862540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16361571862541) 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, 7176565 + ... + 9177484.

It is an arithmetic number, because the mean of its divisors is an integer number (1431666245100).

Almost surely, 2^{16361571862540} is an apocalyptic number.

16361571862540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16361571862540 is an abundant number, since it is smaller than the sum of its proper divisors (17998418019860).

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

16361571862540 is a wasteful number, since it uses less digits than its factorization.

16361571862540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16404081 (or 16404079 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 16361571862540 in words is "sixteen trillion, three hundred sixty-one billion, five hundred seventy-one million, eight hundred sixty-two thousand, five hundred forty".