164513149 has 2 divisors, whose sum is σ = 164513150. Its totient is φ = 164513148.

The previous prime is 164513119. The next prime is 164513159. The reversal of 164513149 is 941315461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108368100 + 56145049 = 10410^2 + 7493^2 .

It is a cyclic number.

It is not a de Polignac number, because 164513149 - 2¹⁹ = 163988861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164513119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82256574 + 82256575.

It is an arithmetic number, because the mean of its divisors is an integer number (82256575).

Almost surely, 2^164513149 is an apocalyptic number.

It is an amenable number.

164513149 is a deficient number, since it is larger than the sum of its proper divisors (1).

164513149 is an equidigital number, since it uses as much as digits as its factorization.

164513149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 164513149 is about 12826.2679295265. The cubic root of 164513149 is about 547.9406725782.

It can be divided in two parts, 16451 and 3149, that added together give a square (19600 = 140²).

The spelling of 164513149 in words is "one hundred sixty-four million, five hundred thirteen thousand, one hundred forty-nine".