1692169056 has 120 divisors (see below), whose sum is σ = 5098323384. Its totient is φ = 550264320.

The previous prime is 1692169043. The next prime is 1692169081. The reversal of 1692169056 is 6509612961.

It is a happy number.

It is a super-2 number, since 2×1692169056² = 5726872228167862272, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98311 + ... + 114233.

Almost surely, 2^1692169056 is an apocalyptic number.

1692169056 is a gapful number since it is divisible by the number (16) 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 1692169056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2549161692).

1692169056 is an abundant number, since it is smaller than the sum of its proper divisors (3406154328).

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

1692169056 is a wasteful number, since it uses less digits than its factorization.

1692169056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15986 (or 15969 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 1692169056 is about 41135.9824970791. The cubic root of 1692169056 is about 1191.6478021976.

The spelling of 1692169056 in words is "one billion, six hundred ninety-two million, one hundred sixty-nine thousand, fifty-six".