1660102923 has 4 divisors (see below), whose sum is σ = 2213470568. Its totient is φ = 1106735280.

The previous prime is 1660102889. The next prime is 1660102931. The reversal of 1660102923 is 3292010661.

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

It is not a de Polignac number, because 1660102923 - 2¹⁴ = 1660086539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1660102973) 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, 276683818 + ... + 276683823.

It is an arithmetic number, because the mean of its divisors is an integer number (553367642).

Almost surely, 2^1660102923 is an apocalyptic number.

1660102923 is a deficient number, since it is larger than the sum of its proper divisors (553367645).

1660102923 is an equidigital number, since it uses as much as digits as its factorization.

1660102923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553367644.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1660102923 is about 40744.3606281900. The cubic root of 1660102923 is about 1184.0726180788.

The spelling of 1660102923 in words is "one billion, six hundred sixty million, one hundred two thousand, nine hundred twenty-three".