105657220216 has 16 divisors (see below), whose sum is σ = 198822480840. Its totient is φ = 52637892000.

The previous prime is 105657220181. The next prime is 105657220247. The reversal of 105657220216 is 612022756501.

It is a super-2 number, since 2×105657220216² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23837410 + ... + 23841841.

Almost surely, 2^105657220216 is an apocalyptic number.

It is an amenable number.

105657220216 is a deficient number, since it is larger than the sum of its proper divisors (93165260624).

105657220216 is a wasteful number, since it uses less digits than its factorization.

105657220216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47679534 (or 47679530 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

Adding to 105657220216 its reverse (612022756501), we get a palindrome (717679976717).

The spelling of 105657220216 in words is "one hundred five billion, six hundred fifty-seven million, two hundred twenty thousand, two hundred sixteen".