1996767471218 has 32 divisors (see below), whose sum is σ = 3237977265600. Its totient is φ = 918035695296.

The previous prime is 1996767471211. The next prime is 1996767471233. The reversal of 1996767471218 is 8121747676991.

It is a super-2 number, since 2×1996767471218² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1996767471211) 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, 23938088 + ... + 24021356.

It is an arithmetic number, because the mean of its divisors is an integer number (101186789550).

Almost surely, 2^{1996767471218} is an apocalyptic number.

1996767471218 is a deficient number, since it is larger than the sum of its proper divisors (1241209794382).

1996767471218 is a wasteful number, since it uses less digits than its factorization.

1996767471218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86826.

The product of its digits is 64012032, while the sum is 68.

The spelling of 1996767471218 in words is "one trillion, nine hundred ninety-six billion, seven hundred sixty-seven million, four hundred seventy-one thousand, two hundred eighteen".