162788378 has 8 divisors (see below), whose sum is σ = 252059520. Its totient is φ = 78768540.

The previous prime is 162788377. The next prime is 162788383. The reversal of 162788378 is 873887261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (162788377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312748 + ... + 1312871.

It is an arithmetic number, because the mean of its divisors is an integer number (31507440).

Almost surely, 2^162788378 is an apocalyptic number.

162788378 is a deficient number, since it is larger than the sum of its proper divisors (89271142).

162788378 is a wasteful number, since it uses less digits than its factorization.

162788378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625652.

The product of its digits is 903168, while the sum is 50.

The square root of 162788378 is about 12758.8548859214. The cubic root of 162788378 is about 546.0190545574.

The spelling of 162788378 in words is "one hundred sixty-two million, seven hundred eighty-eight thousand, three hundred seventy-eight".