1660045605045 has 32 divisors (see below), whose sum is σ = 2670059707392. Its totient is φ = 880696184832.

The previous prime is 1660045605019. The next prime is 1660045605133. The reversal of 1660045605045 is 5405065400661.

It is not a de Polignac number, because 1660045605045 - 2⁶ = 1660045604981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1660045604988 and 1660045605006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61235964 + ... + 61263066.

It is an arithmetic number, because the mean of its divisors is an integer number (83439365856).

Almost surely, 2^{1660045605045} is an apocalyptic number.

1660045605045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1660045605045 is a deficient number, since it is larger than the sum of its proper divisors (1010014102347).

1660045605045 is a wasteful number, since it uses less digits than its factorization.

1660045605045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48461.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 1660045605045 in words is "one trillion, six hundred sixty billion, forty-five million, six hundred five thousand, forty-five".