1660520543060 has 24 divisors (see below), whose sum is σ = 3519682800480. Its totient is φ = 658000662944.

The previous prime is 1660520543047. The next prime is 1660520543081. The reversal of 1660520543060 is 603450250661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387969950 + ... + 387974229.

It is an arithmetic number, because the mean of its divisors is an integer number (146653450020).

Almost surely, 2^{1660520543060} is an apocalyptic number.

1660520543060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1660520543060 is an abundant number, since it is smaller than the sum of its proper divisors (1859162257420).

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

1660520543060 is a wasteful number, since it uses less digits than its factorization.

1660520543060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775944295 (or 775944293 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 1660520543060 in words is "one trillion, six hundred sixty billion, five hundred twenty million, five hundred forty-three thousand, sixty".