164352697 has 2 divisors, whose sum is σ = 164352698. Its totient is φ = 164352696.

The previous prime is 164352637. The next prime is 164352703. The reversal of 164352697 is 796253461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156850576 + 7502121 = 12524^2 + 2739^2 .

It is a cyclic number.

It is not a de Polignac number, because 164352697 - 2¹⁵ = 164319929 is a prime.

It is a super-2 number, since 2×164352697² = 54023618022347618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164352637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82176348 + 82176349.

It is an arithmetic number, because the mean of its divisors is an integer number (82176349).

Almost surely, 2^164352697 is an apocalyptic number.

It is an amenable number.

164352697 is a deficient number, since it is larger than the sum of its proper divisors (1).

164352697 is an equidigital number, since it uses as much as digits as its factorization.

164352697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 164352697 is about 12820.0115834581. The cubic root of 164352697 is about 547.7624765384.

The spelling of 164352697 in words is "one hundred sixty-four million, three hundred fifty-two thousand, six hundred ninety-seven".