152168669 has 2 divisors, whose sum is σ = 152168670. Its totient is φ = 152168668.

The previous prime is 152168651. The next prime is 152168689. The reversal of 152168669 is 966861251.

152168669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80766169 + 71402500 = 8987^2 + 8450^2 .

It is an emirp because it is prime and its reverse (966861251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152168669 - 2⁸ = 152168413 is a prime.

It is a super-2 number, since 2×152168669² = 46310607650463122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152168609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76084334 + 76084335.

It is an arithmetic number, because the mean of its divisors is an integer number (76084335).

Almost surely, 2^152168669 is an apocalyptic number.

It is an amenable number.

152168669 is a deficient number, since it is larger than the sum of its proper divisors (1).

152168669 is an equidigital number, since it uses as much as digits as its factorization.

152168669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 44.

The square root of 152168669 is about 12335.6665405644. Note that the first 3 decimals coincide. The cubic root of 152168669 is about 533.8776588068.

The spelling of 152168669 in words is "one hundred fifty-two million, one hundred sixty-eight thousand, six hundred sixty-nine".