169612144944 has 240 divisors, whose sum is σ = 494728335360. Its totient is φ = 50005683200.

The previous prime is 169612144939. The next prime is 169612144951. The reversal of 169612144944 is 449441216961.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114062569 + ... + 114064055.

It is an arithmetic number, because the mean of its divisors is an integer number (2061368064).

Almost surely, 2^169612144944 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 169612144944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247364167680).

169612144944 is an abundant number, since it is smaller than the sum of its proper divisors (325116190416).

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

169612144944 is a wasteful number, since it uses less digits than its factorization.

169612144944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2023 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The spelling of 169612144944 in words is "one hundred sixty-nine billion, six hundred twelve million, one hundred forty-four thousand, nine hundred forty-four".