16361511522848 has 48 divisors (see below), whose sum is σ = 33491624969880. Its totient is φ = 7858565922816.

The previous prime is 16361511522833. The next prime is 16361511522859. The reversal of 16361511522848 is 84822511516361.

It can be written as a sum of positive squares in 4 ways, for example, as 15719417011984 + 642094510864 = 3964772^2 + 801308^2 .

It is a super-2 number, since 2×16361511522848² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16361511522848.

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, 44565761 + ... + 44931392.

Almost surely, 2^{16361511522848} is an apocalyptic number.

It is an amenable number.

16361511522848 is an abundant number, since it is smaller than the sum of its proper divisors (17130113447032).

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

16361511522848 is a wasteful number, since it uses less digits than its factorization.

16361511522848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89497389 (or 89497381 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 53.

The spelling of 16361511522848 in words is "sixteen trillion, three hundred sixty-one billion, five hundred eleven million, five hundred twenty-two thousand, eight hundred forty-eight".