1641051108 has 36 divisors (see below), whose sum is σ = 4151647500. Its totient is φ = 546564096.

The previous prime is 1641051103. The next prime is 1641051119. The reversal of 1641051108 is 8011501461.

1641051108 is a `hidden beast` number, since 1 + 641 + 0 + 5 + 1 + 10 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1318561344 + 322489764 = 36312^2 + 17958^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1641051103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26716 + ... + 63212.

Almost surely, 2^1641051108 is an apocalyptic number.

1641051108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1641051108 is an abundant number, since it is smaller than the sum of its proper divisors (2510596392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1641051108 is a wasteful number, since it uses less digits than its factorization.

1641051108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37756 (or 37751 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 1641051108 is about 40509.8890149060. The cubic root of 1641051108 is about 1179.5255940321.

Adding to 1641051108 its reverse (8011501461), we get a palindrome (9652552569).

The spelling of 1641051108 in words is "one billion, six hundred forty-one million, fifty-one thousand, one hundred eight".