164019627 has 16 divisors (see below), whose sum is σ = 244546080. Its totient is φ = 108647136.

The previous prime is 164019623. The next prime is 164019629. The reversal of 164019627 is 726910461.

164019627 is a `hidden beast` number, since 1 + 640 + 1 + 9 + 6 + 2 + 7 = 666.

It is not a de Polignac number, because 164019627 - 2² = 164019623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164019591 and 164019600.

It is not an unprimeable number, because it can be changed into a prime (164019623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15108 + ... + 23585.

It is an arithmetic number, because the mean of its divisors is an integer number (15284130).

Almost surely, 2^164019627 is an apocalyptic number.

164019627 is a deficient number, since it is larger than the sum of its proper divisors (80526453).

164019627 is a wasteful number, since it uses less digits than its factorization.

164019627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38859 (or 38853 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 164019627 is about 12807.0147575460. The cubic root of 164019627 is about 547.3922024588.

The spelling of 164019627 in words is "one hundred sixty-four million, nineteen thousand, six hundred twenty-seven".