163130378 has 8 divisors (see below), whose sum is σ = 244776000. Its totient is φ = 81538380.

The previous prime is 163130311. The next prime is 163130389. The reversal of 163130378 is 873031361.

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

It is a super-2 number, since 2×163130378² = 53223040452845768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4658 + ... + 18653.

It is an arithmetic number, because the mean of its divisors is an integer number (30597000).

Almost surely, 2^163130378 is an apocalyptic number.

163130378 is a deficient number, since it is larger than the sum of its proper divisors (81645622).

163130378 is a wasteful number, since it uses less digits than its factorization.

163130378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26812.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 163130378 is about 12772.2503107322. The cubic root of 163130378 is about 546.4011618863.

The spelling of 163130378 in words is "one hundred sixty-three million, one hundred thirty thousand, three hundred seventy-eight".