16361523820851 has 24 divisors (see below), whose sum is σ = 23993003434512. Its totient is φ = 9910231372800.

The previous prime is 16361523820847. The next prime is 16361523820897. The reversal of 16361523820851 is 15802832516361.

It is not a de Polignac number, because 16361523820851 - 2² = 16361523820847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16361523820794 and 16361523820803.

It is not an unprimeable number, because it can be changed into a prime (16361523820751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12664210 + ... + 13896231.

It is an arithmetic number, because the mean of its divisors is an integer number (999708476438).

Almost surely, 2^{16361523820851} is an apocalyptic number.

16361523820851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16361523820851 is a deficient number, since it is larger than the sum of its proper divisors (7631479613661).

16361523820851 is a wasteful number, since it uses less digits than its factorization.

16361523820851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26562163 (or 26562152 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 16361523820851 in words is "sixteen trillion, three hundred sixty-one billion, five hundred twenty-three million, eight hundred twenty thousand, eight hundred fifty-one".