18359868061 has 16 divisors (see below), whose sum is σ = 18733897728. Its totient is φ = 17989372800.

The previous prime is 18359868049. The next prime is 18359868073. The reversal of 18359868061 is 16086895381.

It is an interprime number because it is at equal distance from previous prime (18359868049) and next prime (18359868073).

It is a cyclic number.

It is not a de Polignac number, because 18359868061 - 2¹⁵ = 18359835293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18359867993 and 18359868011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18359868031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16889860 + ... + 16890946.

It is an arithmetic number, because the mean of its divisors is an integer number (1170868608).

Almost surely, 2^18359868061 is an apocalyptic number.

It is an amenable number.

18359868061 is a deficient number, since it is larger than the sum of its proper divisors (374029667).

18359868061 is a wasteful number, since it uses less digits than its factorization.

18359868061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 18359868061 in words is "eighteen billion, three hundred fifty-nine million, eight hundred sixty-eight thousand, sixty-one".