164030978 has 8 divisors (see below), whose sum is σ = 247213200. Its totient is φ = 81626580.

The previous prime is 164030959. The next prime is 164030983. The reversal of 164030978 is 879030461.

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

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, 193928 + ... + 194771.

It is an arithmetic number, because the mean of its divisors is an integer number (30901650).

Almost surely, 2^164030978 is an apocalyptic number.

164030978 is a deficient number, since it is larger than the sum of its proper divisors (83182222).

164030978 is a wasteful number, since it uses less digits than its factorization.

164030978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388912.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 164030978 is about 12807.4579054549. The cubic root of 164030978 is about 547.4048296175.

The spelling of 164030978 in words is "one hundred sixty-four million, thirty thousand, nine hundred seventy-eight".