1660288275213 has 16 divisors (see below), whose sum is σ = 2353743671040. Its totient is φ = 1037390713856.

The previous prime is 1660288275209. The next prime is 1660288275253. The reversal of 1660288275213 is 3125728820661.

It is not a de Polignac number, because 1660288275213 - 2² = 1660288275209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660288275203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68093820 + ... + 68118197.

It is an arithmetic number, because the mean of its divisors is an integer number (147108979440).

Almost surely, 2^{1660288275213} is an apocalyptic number.

It is an amenable number.

1660288275213 is a deficient number, since it is larger than the sum of its proper divisors (693455395827).

1660288275213 is a wasteful number, since it uses less digits than its factorization.

1660288275213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136212276.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 1660288275213 in words is "one trillion, six hundred sixty billion, two hundred eighty-eight million, two hundred seventy-five thousand, two hundred thirteen".