1688060914 has 4 divisors (see below), whose sum is σ = 2532091374. Its totient is φ = 844030456.

The previous prime is 1688060903. The next prime is 1688060921. The reversal of 1688060914 is 4190608861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1647954025 + 40106889 = 40595^2 + 6333^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422015227 + ... + 422015230.

Almost surely, 2^1688060914 is an apocalyptic number.

1688060914 is a deficient number, since it is larger than the sum of its proper divisors (844030460).

1688060914 is an equidigital number, since it uses as much as digits as its factorization.

1688060914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844030459.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 1688060914 is about 41086.0184734418. The cubic root of 1688060914 is about 1190.6826848040.

The spelling of 1688060914 in words is "one billion, six hundred eighty-eight million, sixty thousand, nine hundred fourteen".