105535240646 has 32 divisors (see below), whose sum is σ = 177184516608. Its totient is φ = 46729196640.

The previous prime is 105535240621. The next prime is 105535240649. The reversal of 105535240646 is 646042535501.

It is a happy number.

It is a super-2 number, since 2×105535240646² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105535240649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203315 + ... + 502401.

It is an arithmetic number, because the mean of its divisors is an integer number (5537016144).

Almost surely, 2^105535240646 is an apocalyptic number.

105535240646 is a deficient number, since it is larger than the sum of its proper divisors (71649275962).

105535240646 is a wasteful number, since it uses less digits than its factorization.

105535240646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299516.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 105535240646 in words is "one hundred five billion, five hundred thirty-five million, two hundred forty thousand, six hundred forty-six".