143163630331664 has 10 divisors (see below), whose sum is σ = 277379533767630. Its totient is φ = 71581815165824.

The previous prime is 143163630331663. The next prime is 143163630331699. The reversal of 143163630331664 is 466133036361341.

It can be written as a sum of positive squares in only one way, i.e., 142591779792400 + 571850539264 = 11941180^2 + 756208^2 .

It is not an unprimeable number, because it can be changed into a prime (143163630331663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4473863447849 + ... + 4473863447880.

It is an arithmetic number, because the mean of its divisors is an integer number (27737953376763).

Almost surely, 2^{143163630331664} is an apocalyptic number.

It is an amenable number.

143163630331664 is a deficient number, since it is larger than the sum of its proper divisors (134215903435966).

143163630331664 is an equidigital number, since it uses as much as digits as its factorization.

143163630331664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8947726895737 (or 8947726895731 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 50.

The spelling of 143163630331664 in words is "one hundred forty-three trillion, one hundred sixty-three billion, six hundred thirty million, three hundred thirty-one thousand, six hundred sixty-four".