1660878103 has 8 divisors (see below), whose sum is σ = 1804689920. Its totient is φ = 1522706040.

The previous prime is 1660878091. The next prime is 1660878133. The reversal of 1660878103 is 3018780661.

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 1660878103 - 2⁹ = 1660877591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660878133) 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, 1409325 + ... + 1410502.

It is an arithmetic number, because the mean of its divisors is an integer number (225586240).

Almost surely, 2^1660878103 is an apocalyptic number.

1660878103 is a deficient number, since it is larger than the sum of its proper divisors (143811817).

1660878103 is a wasteful number, since it uses less digits than its factorization.

1660878103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819877.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1660878103 is about 40753.8722454689. The cubic root of 1660878103 is about 1184.2568891002.

The spelling of 1660878103 in words is "one billion, six hundred sixty million, eight hundred seventy-eight thousand, one hundred three".