143266521161220 has 96 divisors (see below), whose sum is σ = 414110843682816. Its totient is φ = 36969828451200.

The previous prime is 143266521161207. The next prime is 143266521161329. The reversal of 143266521161220 is 22161125662341.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29448225 + ... + 33966615.

It is an arithmetic number, because the mean of its divisors is an integer number (4313654621696).

Almost surely, 2^{143266521161220} is an apocalyptic number.

143266521161220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143266521161220 is an abundant number, since it is smaller than the sum of its proper divisors (270844322521596).

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

143266521161220 is a wasteful number, since it uses less digits than its factorization.

143266521161220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535481 (or 4535479 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 143266521161220 in words is "one hundred forty-three trillion, two hundred sixty-six billion, five hundred twenty-one million, one hundred sixty-one thousand, two hundred twenty".