378272321162 has 4 divisors (see below), whose sum is σ = 567408481746. Its totient is φ = 189136160580.

The previous prime is 378272321149. The next prime is 378272321179. The reversal of 378272321162 is 261123272873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 261123272873 = 31 ⋅8423331383.

It can be written as a sum of positive squares in only one way, i.e., 372870218161 + 5402103001 = 610631^2 + 73499^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94568080289 + ... + 94568080292.

Almost surely, 2^378272321162 is an apocalyptic number.

378272321162 is a deficient number, since it is larger than the sum of its proper divisors (189136160584).

378272321162 is a wasteful number, since it uses less digits than its factorization.

378272321162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189136160583.

The product of its digits is 338688, while the sum is 44.

The spelling of 378272321162 in words is "three hundred seventy-eight billion, two hundred seventy-two million, three hundred twenty-one thousand, one hundred sixty-two".