169143020435280 has 40 divisors (see below), whose sum is σ = 524343363350112. Its totient is φ = 45104805449344.

The previous prime is 169143020435267. The next prime is 169143020435287. The reversal of 169143020435280 is 82534020341961.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×169143020435280² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169143020435287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352381292334 + ... + 352381292813.

Almost surely, 2^{169143020435280} is an apocalyptic number.

169143020435280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169143020435280 is an abundant number, since it is smaller than the sum of its proper divisors (355200342914832).

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

169143020435280 is a wasteful number, since it uses less digits than its factorization.

169143020435280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704762585163 (or 704762585157 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 169143020435280 in words is "one hundred sixty-nine trillion, one hundred forty-three billion, twenty million, four hundred thirty-five thousand, two hundred eighty".