163652407 has 2 divisors, whose sum is σ = 163652408. Its totient is φ = 163652406.

The previous prime is 163652381. The next prime is 163652413. The reversal of 163652407 is 704256361.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (704256361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163652407 - 2²³ = 155263799 is a prime.

It is a super-2 number, since 2×163652407² = 53564220633787298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163652497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81826203 + 81826204.

It is an arithmetic number, because the mean of its divisors is an integer number (81826204).

Almost surely, 2^163652407 is an apocalyptic number.

163652407 is a deficient number, since it is larger than the sum of its proper divisors (1).

163652407 is an equidigital number, since it uses as much as digits as its factorization.

163652407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 163652407 is about 12792.6700496808. The cubic root of 163652407 is about 546.9833823480.

The spelling of 163652407 in words is "one hundred sixty-three million, six hundred fifty-two thousand, four hundred seven".