1660083951 has 8 divisors (see below), whose sum is σ = 2249731504. Its totient is φ = 1088579520.

The previous prime is 1660083923. The next prime is 1660083977. The reversal of 1660083951 is 1593800661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1660083951 - 2⁷ = 1660083823 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 (1660083151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4535566 + ... + 4535931.

It is an arithmetic number, because the mean of its divisors is an integer number (281216438).

Almost surely, 2^1660083951 is an apocalyptic number.

1660083951 is a deficient number, since it is larger than the sum of its proper divisors (589647553).

1660083951 is an equidigital number, since it uses as much as digits as its factorization.

1660083951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9071561.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1660083951 is about 40744.1278100293. The cubic root of 1660083951 is about 1184.0681074526.

The spelling of 1660083951 in words is "one billion, six hundred sixty million, eighty-three thousand, nine hundred fifty-one".