1641410018 has 16 divisors (see below), whose sum is σ = 2551274880. Its totient is φ = 791468496.

The previous prime is 1641409997. The next prime is 1641410039. The reversal of 1641410018 is 8100141461.

It is an interprime number because it is at equal distance from previous prime (1641409997) and next prime (1641410039).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114005 + ... + 127592.

It is an arithmetic number, because the mean of its divisors is an integer number (159454680).

Almost surely, 2^1641410018 is an apocalyptic number.

1641410018 is a deficient number, since it is larger than the sum of its proper divisors (909864862).

1641410018 is a wasteful number, since it uses less digits than its factorization.

1641410018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241721.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1641410018 is about 40514.3186787091. The cubic root of 1641410018 is about 1179.6115780842.

Adding to 1641410018 its reverse (8100141461), we get a palindrome (9741551479).

The spelling of 1641410018 in words is "one billion, six hundred forty-one million, four hundred ten thousand, eighteen".