1660340050 has 12 divisors (see below), whose sum is σ = 3088232586. Its totient is φ = 664136000.

The previous prime is 1660340047. The next prime is 1660340069. The reversal of 1660340050 is 500430661.

It can be written as a sum of positive squares in 3 ways, for example, as 760160041 + 900180009 = 27571^2 + 30003^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 1660339997 and 1660340024.

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 in 5 ways as a sum of consecutive naturals, for example, 16603351 + ... + 16603450.

Almost surely, 2^1660340050 is an apocalyptic number.

1660340050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1660340050 is a deficient number, since it is larger than the sum of its proper divisors (1427892536).

1660340050 is a wasteful number, since it uses less digits than its factorization.

1660340050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33206813 (or 33206808 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1660340050 is about 40747.2704607315. The cubic root of 1660340050 is about 1184.1289925394.

The spelling of 1660340050 in words is "one billion, six hundred sixty million, three hundred forty thousand, fifty".