1665146412160 has 192 divisors, whose sum is σ = 5051627389440. Its totient is φ = 519006566400.

The previous prime is 1665146412157. The next prime is 1665146412197. The reversal of 1665146412160 is 612146415661.

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 23 ways as a sum of consecutive naturals, for example, 2068576 + ... + 2758495.

It is an arithmetic number, because the mean of its divisors is an integer number (26310559320).

Almost surely, 2^{1665146412160} is an apocalyptic number.

1665146412160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1665146412160 is an abundant number, since it is smaller than the sum of its proper divisors (3386480977280).

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

1665146412160 is a wasteful number, since it uses less digits than its factorization.

1665146412160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827115 (or 4827096 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 1665146412160 in words is "one trillion, six hundred sixty-five billion, one hundred forty-six million, four hundred twelve thousand, one hundred sixty".