106643513365 has 16 divisors (see below), whose sum is σ = 137408451840. Its totient is φ = 79165354240.

The previous prime is 106643513357. The next prime is 106643513377. The reversal of 106643513365 is 563315346601.

It is a happy number.

It is not a de Polignac number, because 106643513365 - 2³ = 106643513357 is a prime.

It is a super-2 number, since 2×106643513365² (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 15 ways as a sum of consecutive naturals, for example, 8829385 + ... + 8841454.

It is an arithmetic number, because the mean of its divisors is an integer number (8588028240).

Almost surely, 2^106643513365 is an apocalyptic number.

It is an amenable number.

106643513365 is a deficient number, since it is larger than the sum of its proper divisors (30764938475).

106643513365 is a wasteful number, since it uses less digits than its factorization.

106643513365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17670932.

The product of its (nonzero) digits is 583200, while the sum is 43.

Adding to 106643513365 its reverse (563315346601), we get a palindrome (669958859966).

The spelling of 106643513365 in words is "one hundred six billion, six hundred forty-three million, five hundred thirteen thousand, three hundred sixty-five".