168529379 has 2 divisors, whose sum is σ = 168529380. Its totient is φ = 168529378.

The previous prime is 168529343. The next prime is 168529399. The reversal of 168529379 is 973925861.

168529379 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168529379 is a prime.

It is a super-2 number, since 2×168529379² = 56804303172251282, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (168529399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84264689 + 84264690.

It is an arithmetic number, because the mean of its divisors is an integer number (84264690).

Almost surely, 2^168529379 is an apocalyptic number.

168529379 is a deficient number, since it is larger than the sum of its proper divisors (1).

168529379 is an equidigital number, since it uses as much as digits as its factorization.

168529379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 50.

The square root of 168529379 is about 12981.8865732219. The cubic root of 168529379 is about 552.3637976335.

The spelling of 168529379 in words is "one hundred sixty-eight million, five hundred twenty-nine thousand, three hundred seventy-nine".