162217378 has 16 divisors (see below), whose sum is σ = 246841920. Its totient is φ = 79944336.

The previous prime is 162217369. The next prime is 162217379. The reversal of 162217378 is 873712261.

It is not an unprimeable number, because it can be changed into a prime (162217379) 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, 45028 + ... + 48496.

It is an arithmetic number, because the mean of its divisors is an integer number (15427620).

Almost surely, 2^162217378 is an apocalyptic number.

162217378 is a deficient number, since it is larger than the sum of its proper divisors (84624542).

162217378 is a wasteful number, since it uses less digits than its factorization.

162217378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801.

The product of its digits is 28224, while the sum is 37.

The square root of 162217378 is about 12736.4586129740. The cubic root of 162217378 is about 545.3798972912.

The spelling of 162217378 in words is "one hundred sixty-two million, two hundred seventeen thousand, three hundred seventy-eight".