1636320516162 has 32 divisors (see below), whose sum is σ = 3322652453568. Its totient is φ = 537146927616.

The previous prime is 1636320516161. The next prime is 1636320516169. The reversal of 1636320516162 is 2616150236361.

It is a super-2 number, since 2×1636320516162² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1636320516161) 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, 5092983 + ... + 5404730.

It is an arithmetic number, because the mean of its divisors is an integer number (103832889174).

Almost surely, 2^{1636320516162} is an apocalyptic number.

1636320516162 is an abundant number, since it is smaller than the sum of its proper divisors (1686331937406).

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

1636320516162 is a wasteful number, since it uses less digits than its factorization.

1636320516162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10498114.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 1636320516162 in words is "one trillion, six hundred thirty-six billion, three hundred twenty million, five hundred sixteen thousand, one hundred sixty-two".