1696669065000 has 1280 divisors, whose sum is σ = 7300623052800. Its totient is φ = 355404672000.

The previous prime is 1696669064963. The next prime is 1696669065001. The reversal of 1696669065000 is 5609666961.

It is a happy number.

It is a super-2 number, since 2×1696669065000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1696669065001) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 2051594587 + ... + 2051595413.

It is an arithmetic number, because the mean of its divisors is an integer number (5703611760).

Almost surely, 2^{1696669065000} is an apocalyptic number.

1696669065000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1696669065000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3650311526400).

1696669065000 is an abundant number, since it is smaller than the sum of its proper divisors (5603953987800).

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

1696669065000 is a wasteful number, since it uses less digits than its factorization.

1696669065000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 1696669065000 in words is "one trillion, six hundred ninety-six billion, six hundred sixty-nine million, sixty-five thousand".