163220250026544 has 80 divisors (see below), whose sum is σ = 448721661234528. Its totient is φ = 50946422173696.

The previous prime is 163220250026543. The next prime is 163220250026557. The reversal of 163220250026544 is 445620052022361.

It is a junction number, because it is equal to n+sod(n) for n = 163220250026496 and 163220250026505.

It is not an unprimeable number, because it can be changed into a prime (163220250026543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507516447 + ... + 507837950.

Almost surely, 2^{163220250026544} is an apocalyptic number.

It is an amenable number.

163220250026544 is an abundant number, since it is smaller than the sum of its proper divisors (285501411207984).

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

163220250026544 is a wasteful number, since it uses less digits than its factorization.

163220250026544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015354622 (or 1015354616 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 163220250026544 in words is "one hundred sixty-three trillion, two hundred twenty billion, two hundred fifty million, twenty-six thousand, five hundred forty-four".