143665646432064 has 56 divisors (see below), whose sum is σ = 396642110813760. Its totient is φ = 45806437991424.

The previous prime is 143665646432059. The next prime is 143665646432071. The reversal of 143665646432064 is 460234646566341.

It is a junction number, because it is equal to n+sod(n) for n = 143665646431989 and 143665646432007.

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, 16266486349 + ... + 16266495180.

It is an arithmetic number, because the mean of its divisors is an integer number (7082894835960).

Almost surely, 2^{143665646432064} is an apocalyptic number.

It is an amenable number.

143665646432064 is an abundant number, since it is smaller than the sum of its proper divisors (252976464381696).

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

143665646432064 is a wasteful number, since it uses less digits than its factorization.

143665646432064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32532981567 (or 32532981557 counting only the distinct ones).

The product of its (nonzero) digits is 179159040, while the sum is 60.

The spelling of 143665646432064 in words is "one hundred forty-three trillion, six hundred sixty-five billion, six hundred forty-six million, four hundred thirty-two thousand, sixty-four".