1660288373745 has 16 divisors (see below), whose sum is σ = 2812723833600. Its totient is φ = 833399654144.

The previous prime is 1660288373729. The next prime is 1660288373797. The reversal of 1660288373745 is 5473738820661.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1660288373745 - 2⁴ = 1660288373729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3255467145 + ... + 3255467654.

It is an arithmetic number, because the mean of its divisors is an integer number (175795239600).

Almost surely, 2^{1660288373745} is an apocalyptic number.

1660288373745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1660288373745 is a deficient number, since it is larger than the sum of its proper divisors (1152435459855).

1660288373745 is a wasteful number, since it uses less digits than its factorization.

1660288373745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510934824.

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 1660288373745 in words is "one trillion, six hundred sixty billion, two hundred eighty-eight million, three hundred seventy-three thousand, seven hundred forty-five".