1660736045473 has 8 divisors (see below), whose sum is σ = 1661682218976. Its totient is φ = 1659790142400.

The previous prime is 1660736045459. The next prime is 1660736045477. The reversal of 1660736045473 is 3745406370661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1660736045473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1660736045473.

It is not an unprimeable number, because it can be changed into a prime (1660736045477) 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, 12918553 + ... + 13046473.

It is an arithmetic number, because the mean of its divisors is an integer number (207710277372).

Almost surely, 2^{1660736045473} is an apocalyptic number.

It is an amenable number.

1660736045473 is a deficient number, since it is larger than the sum of its proper divisors (946173503).

1660736045473 is a wasteful number, since it uses less digits than its factorization.

1660736045473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135215.

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 1660736045473 in words is "one trillion, six hundred sixty billion, seven hundred thirty-six million, forty-five thousand, four hundred seventy-three".