1696603818819 has 144 divisors (see below), whose sum is σ = 2931813965952. Its totient is φ = 869416644096.

The previous prime is 1696603818817. The next prime is 1696603818823. The reversal of 1696603818819 is 9188183066961.

It is not a de Polignac number, because 1696603818819 - 2¹ = 1696603818817 is a prime.

It is a super-2 number, since 2×1696603818819² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1696603818819.

It is not an unprimeable number, because it can be changed into a prime (1696603818817) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 121500132 + ... + 121514094.

It is an arithmetic number, because the mean of its divisors is an integer number (20359819208).

Almost surely, 2^{1696603818819} is an apocalyptic number.

1696603818819 is a deficient number, since it is larger than the sum of its proper divisors (1235210147133).

1696603818819 is a wasteful number, since it uses less digits than its factorization.

1696603818819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14146 (or 14126 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 66.

The spelling of 1696603818819 in words is "one trillion, six hundred ninety-six billion, six hundred three million, eight hundred eighteen thousand, eight hundred nineteen".