918501201641 has 16 divisors (see below), whose sum is σ = 960648057600. Its totient is φ = 877065573888.

The previous prime is 918501201601. The next prime is 918501201679. The reversal of 918501201641 is 146102105819.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-918501201641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 918501201595 and 918501201604.

It is not an unprimeable number, because it can be changed into a prime (918501201601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3888170 + ... + 4117628.

It is an arithmetic number, because the mean of its divisors is an integer number (60040503600).

Almost surely, 2^918501201641 is an apocalyptic number.

It is an amenable number.

918501201641 is a deficient number, since it is larger than the sum of its proper divisors (42146855959).

918501201641 is a wasteful number, since it uses less digits than its factorization.

918501201641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231008.

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 918501201641 in words is "nine hundred eighteen billion, five hundred one million, two hundred one thousand, six hundred forty-one".