164278983 has 8 divisors (see below), whose sum is σ = 238951296. Its totient is φ = 99563000.

The previous prime is 164278969. The next prime is 164279009. The reversal of 164278983 is 389872461.

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

It is a cyclic number.

It is not a de Polignac number, because 164278983 - 2⁴ = 164278967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164278913) 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, 2489043 + ... + 2489108.

It is an arithmetic number, because the mean of its divisors is an integer number (29868912).

Almost surely, 2^164278983 is an apocalyptic number.

164278983 is a deficient number, since it is larger than the sum of its proper divisors (74672313).

164278983 is a wasteful number, since it uses less digits than its factorization.

164278983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978165.

The product of its digits is 580608, while the sum is 48.

The square root of 164278983 is about 12817.1363026224. The cubic root of 164278983 is about 547.6805717851.

The spelling of 164278983 in words is "one hundred sixty-four million, two hundred seventy-eight thousand, nine hundred eighty-three".