109858661641 has 8 divisors (see below), whose sum is σ = 110058871040. Its totient is φ = 109658516688.

The previous prime is 109858661609. The next prime is 109858661683. The reversal of 109858661641 is 146166858901.

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

It is a cyclic number.

It is not a de Polignac number, because 109858661641 - 2⁵ = 109858661609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109858691641) 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, 4544695 + ... + 4568803.

It is an arithmetic number, because the mean of its divisors is an integer number (13757358880).

Almost surely, 2^109858661641 is an apocalyptic number.

It is an amenable number.

109858661641 is a deficient number, since it is larger than the sum of its proper divisors (200209399).

109858661641 is an equidigital number, since it uses as much as digits as its factorization.

109858661641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32223.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 109858661641 in words is "one hundred nine billion, eight hundred fifty-eight million, six hundred sixty-one thousand, six hundred forty-one".