1660331454460 has 48 divisors (see below), whose sum is σ = 3997775384064. Its totient is φ = 567402228288.

The previous prime is 1660331454451. The next prime is 1660331454491. The reversal of 1660331454460 is 644541330661.

It is a congruent number.

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, 19272184 + ... + 19358143.

It is an arithmetic number, because the mean of its divisors is an integer number (83286987168).

Almost surely, 2^{1660331454460} is an apocalyptic number.

1660331454460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1660331454460 is an abundant number, since it is smaller than the sum of its proper divisors (2337443929604).

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

1660331454460 is a wasteful number, since it uses less digits than its factorization.

1660331454460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38630650 (or 38630648 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 1660331454460 in words is "one trillion, six hundred sixty billion, three hundred thirty-one million, four hundred fifty-four thousand, four hundred sixty".