1641603218130 has 64 divisors (see below), whose sum is σ = 4403821927680. Its totient is φ = 435139523712.

The previous prime is 1641603218117. The next prime is 1641603218159. The reversal of 1641603218130 is 318123061461.

1641603218130 is a `hidden beast` number, since 1 + 6 + 4 + 1 + 603 + 2 + 18 + 1 + 30 = 666.

It is a super-2 number, since 2×1641603218130² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18158539 + ... + 18248718.

It is an arithmetic number, because the mean of its divisors is an integer number (68809717620).

Almost surely, 2^{1641603218130} is an apocalyptic number.

1641603218130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1641603218130 is an abundant number, since it is smaller than the sum of its proper divisors (2762218709550).

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

1641603218130 is a wasteful number, since it uses less digits than its factorization.

1641603218130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36407440 (or 36407434 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Adding to 1641603218130 its reverse (318123061461), we get a palindrome (1959726279591).

The spelling of 1641603218130 in words is "one trillion, six hundred forty-one billion, six hundred three million, two hundred eighteen thousand, one hundred thirty".