162180847398 has 16 divisors (see below), whose sum is σ = 329859351360. Its totient is φ = 53144006376.

The previous prime is 162180847391. The next prime is 162180847429. The reversal of 162180847398 is 893748081261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162180847391) 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, 229068640 + ... + 229069347.

It is an arithmetic number, because the mean of its divisors is an integer number (20616209460).

Almost surely, 2^162180847398 is an apocalyptic number.

162180847398 is an abundant number, since it is smaller than the sum of its proper divisors (167678503962).

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

162180847398 is a wasteful number, since it uses less digits than its factorization.

162180847398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458138051.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 162180847398 in words is "one hundred sixty-two billion, one hundred eighty million, eight hundred forty-seven thousand, three hundred ninety-eight".