163007429 has 12 divisors (see below), whose sum is σ = 178150500. Its totient is φ = 149071104.

The previous prime is 163007389. The next prime is 163007443. The reversal of 163007429 is 924700361.

It can be written as a sum of positive squares in 6 ways, for example, as 61199329 + 101808100 = 7823^2 + 10090^2 .

It is not a de Polignac number, because 163007429 - 2¹² = 163003333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163007395 and 163007404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163007129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13997 + ... + 22845.

It is an arithmetic number, because the mean of its divisors is an integer number (14845875).

Almost surely, 2^163007429 is an apocalyptic number.

It is an amenable number.

163007429 is a deficient number, since it is larger than the sum of its proper divisors (15143071).

163007429 is a wasteful number, since it uses less digits than its factorization.

163007429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984 (or 8971 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 163007429 is about 12767.4362735829. The cubic root of 163007429 is about 546.2638558416.

The spelling of 163007429 in words is "one hundred sixty-three million, seven thousand, four hundred twenty-nine".