1641008008 has 16 divisors (see below), whose sum is σ = 3142356480. Its totient is φ = 803046288.

The previous prime is 1641007993. The next prime is 1641008009. The reversal of 1641008008 is 8008001461.

It is not an unprimeable number, because it can be changed into a prime (1641008009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2181816 + ... + 2182567.

It is an arithmetic number, because the mean of its divisors is an integer number (196397280).

Almost surely, 2^1641008008 is an apocalyptic number.

It is an amenable number.

1641008008 is a deficient number, since it is larger than the sum of its proper divisors (1501348472).

1641008008 is a wasteful number, since it uses less digits than its factorization.

1641008008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364436 (or 4364432 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1641008008 is about 40509.3570425402. The cubic root of 1641008008 is about 1179.5152677239.

Adding to 1641008008 its reverse (8008001461), we get a palindrome (9649009469).

The spelling of 1641008008 in words is "one billion, six hundred forty-one million, eight thousand, eight".