161848321838148 has 48 divisors (see below), whose sum is σ = 411980976126720. Its totient is φ = 49044537722400.

The previous prime is 161848321838033. The next prime is 161848321838167. The reversal of 161848321838148 is 841838123848161.

161848321838148 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11004543 + ... + 21090201.

It is an arithmetic number, because the mean of its divisors is an integer number (8582937002640).

Almost surely, 2^{161848321838148} is an apocalyptic number.

It is an amenable number.

161848321838148 is an abundant number, since it is smaller than the sum of its proper divisors (250132654288572).

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

161848321838148 is a wasteful number, since it uses less digits than its factorization.

161848321838148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10207248 (or 10207246 counting only the distinct ones).

The product of its digits is 56623104, while the sum is 66.

The spelling of 161848321838148 in words is "one hundred sixty-one trillion, eight hundred forty-eight billion, three hundred twenty-one million, eight hundred thirty-eight thousand, one hundred forty-eight".