1665470412032 has 288 divisors, whose sum is σ = 3980600064000. Its totient is φ = 680412708864.

The previous prime is 1665470412017. The next prime is 1665470412041. The reversal of 1665470412032 is 2302140745661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1587673844 + ... + 1587674892.

It is an arithmetic number, because the mean of its divisors is an integer number (13821528000).

Almost surely, 2^{1665470412032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1665470412032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1990300032000).

1665470412032 is an abundant number, since it is smaller than the sum of its proper divisors (2315129651968).

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

1665470412032 is a wasteful number, since it uses less digits than its factorization.

1665470412032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 1665470412032 in words is "one trillion, six hundred sixty-five billion, four hundred seventy million, four hundred twelve thousand, thirty-two".