1018361841 has 16 divisors (see below), whose sum is σ = 1593730944. Its totient is φ = 566193024.

The previous prime is 1018361837. The next prime is 1018361849. The reversal of 1018361841 is 1481638101.

It is a happy number.

It is not a de Polignac number, because 1018361841 - 2² = 1018361837 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1018361849) 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, 654540 + ... + 656093.

It is an arithmetic number, because the mean of its divisors is an integer number (99608184).

Almost surely, 2^1018361841 is an apocalyptic number.

It is an amenable number.

1018361841 is a deficient number, since it is larger than the sum of its proper divisors (575369103).

1018361841 is a wasteful number, since it uses less digits than its factorization.

1018361841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310680.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 1018361841 is about 31911.7821658396. The cubic root of 1018361841 is about 1006.0835292889.

Adding to 1018361841 its reverse (1481638101), we get a palindrome (2499999942).

The spelling of 1018361841 in words is "one billion, eighteen million, three hundred sixty-one thousand, eight hundred forty-one".