1660358041128 has 64 divisors (see below), whose sum is σ = 4612402468800. Its totient is φ = 553417064640.

The previous prime is 1660358041123. The next prime is 1660358041129. The reversal of 1660358041128 is 8211408530661.

1660358041128 is a `hidden beast` number, since 1 + 6 + 6 + 0 + 3 + 580 + 41 + 1 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (1660358041123) 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, 3229875 + ... + 3708477.

It is an arithmetic number, because the mean of its divisors is an integer number (72068788575).

Almost surely, 2^{1660358041128} is an apocalyptic number.

1660358041128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1660358041128 is an abundant number, since it is smaller than the sum of its proper divisors (2952044427672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1660358041128 is a wasteful number, since it uses less digits than its factorization.

1660358041128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494679 (or 494669 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 1660358041128 in words is "one trillion, six hundred sixty billion, three hundred fifty-eight million, forty-one thousand, one hundred twenty-eight".