105898336568 has 8 divisors (see below), whose sum is σ = 198559381080. Its totient is φ = 52949168280.

The previous prime is 105898336553. The next prime is 105898336571. The reversal of 105898336568 is 865633898501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105898336568² (a number of 23 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 105898336568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6618646028 + ... + 6618646043.

It is an arithmetic number, because the mean of its divisors is an integer number (24819922635).

Almost surely, 2^105898336568 is an apocalyptic number.

It is an amenable number.

105898336568 is a deficient number, since it is larger than the sum of its proper divisors (92661044512).

105898336568 is a wasteful number, since it uses less digits than its factorization.

105898336568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13237292077 (or 13237292073 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 62.

The spelling of 105898336568 in words is "one hundred five billion, eight hundred ninety-eight million, three hundred thirty-six thousand, five hundred sixty-eight".