1690193257996 has 6 divisors (see below), whose sum is σ = 2957838201500. Its totient is φ = 845096628996.

The previous prime is 1690193257981. The next prime is 1690193257997. The reversal of 1690193257996 is 6997523910961.

It is not an unprimeable number, because it can be changed into a prime (1690193257997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211274157246 + ... + 211274157253.

Almost surely, 2^{1690193257996} is an apocalyptic number.

It is an amenable number.

1690193257996 is a deficient number, since it is larger than the sum of its proper divisors (1267644943504).

1690193257996 is a wasteful number, since it uses less digits than its factorization.

1690193257996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422548314503 (or 422548314501 counting only the distinct ones).

The product of its (nonzero) digits is 49601160, while the sum is 67.

The spelling of 1690193257996 in words is "one trillion, six hundred ninety billion, one hundred ninety-three million, two hundred fifty-seven thousand, nine hundred ninety-six".