164396252357 has 2 divisors, whose sum is σ = 164396252358. Its totient is φ = 164396252356.

The previous prime is 164396252351. The next prime is 164396252389. The reversal of 164396252357 is 753252693461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138760720036 + 25635532321 = 372506^2 + 160111^2 .

It is a cyclic number.

It is not a de Polignac number, because 164396252357 - 2⁸ = 164396252101 is a prime.

It is a super-2 number, since 2×164396252357² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164396252299 and 164396252308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164396252351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82198126178 + 82198126179.

It is an arithmetic number, because the mean of its divisors is an integer number (82198126179).

Almost surely, 2^164396252357 is an apocalyptic number.

It is an amenable number.

164396252357 is a deficient number, since it is larger than the sum of its proper divisors (1).

164396252357 is an equidigital number, since it uses as much as digits as its factorization.

164396252357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 53.

The spelling of 164396252357 in words is "one hundred sixty-four billion, three hundred ninety-six million, two hundred fifty-two thousand, three hundred fifty-seven".