1696223385 has 48 divisors (see below), whose sum is σ = 3123956160. Its totient is φ = 848983680.

The previous prime is 1696223377. The next prime is 1696223407. The reversal of 1696223385 is 5833226961.

1696223385 is a `hidden beast` number, since 16 + 9 + 622 + 3 + 3 + 8 + 5 = 666.

It is not a de Polignac number, because 1696223385 - 2³ = 1696223377 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1696223385.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82215 + ... + 100755.

It is an arithmetic number, because the mean of its divisors is an integer number (65082420).

Almost surely, 2^1696223385 is an apocalyptic number.

1696223385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1696223385 is a deficient number, since it is larger than the sum of its proper divisors (1427732775).

1696223385 is a wasteful number, since it uses less digits than its factorization.

1696223385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18678 (or 18675 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 1696223385 is about 41185.2326083027. The cubic root of 1696223385 is about 1192.5987471463.

The spelling of 1696223385 in words is "one billion, six hundred ninety-six million, two hundred twenty-three thousand, three hundred eighty-five".