1696423680 has 432 divisors, whose sum is σ = 6804557760. Its totient is φ = 382205952.

The previous prime is 1696423639. The next prime is 1696423691. The reversal of 1696423680 is 863246961.

1696423680 is a `hidden beast` number, since 169 + 6 + 423 + 68 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8789664 + ... + 8789856.

Almost surely, 2^1696423680 is an apocalyptic number.

1696423680 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 1696423680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3402278880).

1696423680 is an abundant number, since it is smaller than the sum of its proper divisors (5108134080).

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

1696423680 is a wasteful number, since it uses less digits than its factorization.

1696423680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 1696423680 is about 41187.6641726622. The cubic root of 1696423680 is about 1192.6456871439.

The spelling of 1696423680 in words is "one billion, six hundred ninety-six million, four hundred twenty-three thousand, six hundred eighty".