1696168920 has 64 divisors (see below), whose sum is σ = 5114941920. Its totient is φ = 449961984.

The previous prime is 1696168889. The next prime is 1696168921. The reversal of 1696168920 is 298616961.

It is a self number, because there is not a number n which added to its sum of digits gives 1696168920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1696168921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13459 + ... + 59778.

Almost surely, 2^1696168920 is an apocalyptic number.

1696168920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1696168920 is an abundant number, since it is smaller than the sum of its proper divisors (3418773000).

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

1696168920 is a wasteful number, since it uses less digits than its factorization.

1696168920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73444 (or 73440 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 1696168920 is about 41184.5713829827. The cubic root of 1696168920 is about 1192.5859823995.

The spelling of 1696168920 in words is "one billion, six hundred ninety-six million, one hundred sixty-eight thousand, nine hundred twenty".