152664691 has 2 divisors, whose sum is σ = 152664692. Its totient is φ = 152664690.

The previous prime is 152664679. The next prime is 152664719. The reversal of 152664691 is 196466251.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152664691 - 2¹⁹ = 152140403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152662691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76332345 + 76332346.

It is an arithmetic number, because the mean of its divisors is an integer number (76332346).

Almost surely, 2^152664691 is an apocalyptic number.

152664691 is a deficient number, since it is larger than the sum of its proper divisors (1).

152664691 is an equidigital number, since it uses as much as digits as its factorization.

152664691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 152664691 is about 12355.7553795792. The cubic root of 152664691 is about 534.4571207241.

The spelling of 152664691 in words is "one hundred fifty-two million, six hundred sixty-four thousand, six hundred ninety-one".