2164325078 has 16 divisors (see below), whose sum is σ = 3353011200. Its totient is φ = 1046692200.

The previous prime is 2164325077. The next prime is 2164325083. The reversal of 2164325078 is 8705234612.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164325077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121823 + ... + 138453.

It is an arithmetic number, because the mean of its divisors is an integer number (209563200).

Almost surely, 2^2164325078 is an apocalyptic number.

2164325078 is a deficient number, since it is larger than the sum of its proper divisors (1188686122).

2164325078 is a wasteful number, since it uses less digits than its factorization.

2164325078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18763.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 2164325078 is about 46522.3073159533. The cubic root of 2164325078 is about 1293.5230256508.

The spelling of 2164325078 in words is "two billion, one hundred sixty-four million, three hundred twenty-five thousand, seventy-eight".