1660790627 has 8 divisors (see below), whose sum is σ = 1750525200. Its totient is φ = 1571288544.

The previous prime is 1660790611. The next prime is 1660790629. The reversal of 1660790627 is 7260970661.

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

It is a cyclic number.

It is not a de Polignac number, because 1660790627 - 2⁴ = 1660790611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1660790629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43352 + ... + 72117.

It is an arithmetic number, because the mean of its divisors is an integer number (218815650).

Almost surely, 2^1660790627 is an apocalyptic number.

1660790627 is a deficient number, since it is larger than the sum of its proper divisors (89734573).

1660790627 is a wasteful number, since it uses less digits than its factorization.

1660790627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116245.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 1660790627 is about 40752.7990081663. The cubic root of 1660790627 is about 1184.2360977140.

The spelling of 1660790627 in words is "one billion, six hundred sixty million, seven hundred ninety thousand, six hundred twenty-seven".