105040730661 has 8 divisors (see below), whose sum is σ = 143034186624. Its totient is φ = 68537214240.

The previous prime is 105040730623. The next prime is 105040730689. The reversal of 105040730661 is 166037040501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105040730661 - 2⁹ = 105040730149 is a prime.

It is a super-3 number, since 3×105040730661³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105040730621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372484720 + ... + 372485001.

It is an arithmetic number, because the mean of its divisors is an integer number (17879273328).

Almost surely, 2^105040730661 is an apocalyptic number.

It is an amenable number.

105040730661 is a deficient number, since it is larger than the sum of its proper divisors (37993455963).

105040730661 is an equidigital number, since it uses as much as digits as its factorization.

105040730661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744969771.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 105040730661 in words is "one hundred five billion, forty million, seven hundred thirty thousand, six hundred sixty-one".