164125019 has 2 divisors, whose sum is σ = 164125020. Its totient is φ = 164125018.

The previous prime is 164124991. The next prime is 164125037. The reversal of 164125019 is 910521461.

164125019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (910521461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164125019 - 2¹² = 164120923 is a prime.

It is a super-2 number, since 2×164125019² = 53874043723500722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164124982 and 164125000.

It is not a weakly prime, because it can be changed into another prime (164125069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82062509 + 82062510.

It is an arithmetic number, because the mean of its divisors is an integer number (82062510).

Almost surely, 2^164125019 is an apocalyptic number.

164125019 is a deficient number, since it is larger than the sum of its proper divisors (1).

164125019 is an equidigital number, since it uses as much as digits as its factorization.

164125019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 164125019 is about 12811.1287168618. The cubic root of 164125019 is about 547.5094209648.

The spelling of 164125019 in words is "one hundred sixty-four million, one hundred twenty-five thousand, nineteen".