164923357 has 2 divisors, whose sum is σ = 164923358. Its totient is φ = 164923356.

The previous prime is 164923351. The next prime is 164923373. The reversal of 164923357 is 753329461.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125910841 + 39012516 = 11221^2 + 6246^2 .

It is a cyclic number.

It is not a de Polignac number, because 164923357 - 2¹⁹ = 164399069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164923351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82461678 + 82461679.

It is an arithmetic number, because the mean of its divisors is an integer number (82461679).

Almost surely, 2^164923357 is an apocalyptic number.

It is an amenable number.

164923357 is a deficient number, since it is larger than the sum of its proper divisors (1).

164923357 is an equidigital number, since it uses as much as digits as its factorization.

164923357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 164923357 is about 12842.2489074149. The cubic root of 164923357 is about 548.3957184486.

It can be divided in two parts, 164 and 923357, that added together give a 4-th power (923521 = 31⁴).

The spelling of 164923357 in words is "one hundred sixty-four million, nine hundred twenty-three thousand, three hundred fifty-seven".