1680706151 has 4 divisors (see below), whose sum is σ = 1681471272. Its totient is φ = 1679941032.

The previous prime is 1680706133. The next prime is 1680706169. The reversal of 1680706151 is 1516070861.

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

It is an interprime number because it is at equal distance from previous prime (1680706133) and next prime (1680706169).

It is a cyclic number.

It is not a de Polignac number, because 1680706151 - 2³⁰ = 606964327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680706121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379256 + ... + 383661.

It is an arithmetic number, because the mean of its divisors is an integer number (420367818).

Almost surely, 2^1680706151 is an apocalyptic number.

1680706151 is a deficient number, since it is larger than the sum of its proper divisors (765121).

1680706151 is an equidigital number, since it uses as much as digits as its factorization.

1680706151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765120.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 1680706151 is about 40996.4163189906. The cubic root of 1680706151 is about 1188.9509270005.

The spelling of 1680706151 in words is "one billion, six hundred eighty million, seven hundred six thousand, one hundred fifty-one".