1699496680 has 128 divisors (see below), whose sum is σ = 4590950400. Its totient is φ = 553588992.

The previous prime is 1699496671. The next prime is 1699496693. The reversal of 1699496680 is 866949961.

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 31 ways as a sum of consecutive naturals, for example, 1048911 + ... + 1050529.

It is an arithmetic number, because the mean of its divisors is an integer number (35866800).

Almost surely, 2^1699496680 is an apocalyptic number.

1699496680 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 1699496680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2295475200).

1699496680 is an abundant number, since it is smaller than the sum of its proper divisors (2891453720).

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

1699496680 is a wasteful number, since it uses less digits than its factorization.

1699496680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823 (or 1819 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 58.

The square root of 1699496680 is about 41224.9521527921. The cubic root of 1699496680 is about 1193.3653952110.

The spelling of 1699496680 in words is "one billion, six hundred ninety-nine million, four hundred ninety-six thousand, six hundred eighty".