163071434 has 8 divisors (see below), whose sum is σ = 248258208. Its totient is φ = 80318700.

The previous prime is 163071431. The next prime is 163071443. The reversal of 163071434 is 434170361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 163071397 and 163071406.

It is not an unprimeable number, because it can be changed into a prime (163071431) 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 in 3 ways as a sum of consecutive naturals, for example, 608342 + ... + 608609.

It is an arithmetic number, because the mean of its divisors is an integer number (31032276).

Almost surely, 2^163071434 is an apocalyptic number.

163071434 is a deficient number, since it is larger than the sum of its proper divisors (85186774).

163071434 is a wasteful number, since it uses less digits than its factorization.

163071434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217020.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 163071434 is about 12769.9425997144. The cubic root of 163071434 is about 546.3353434688.

The spelling of 163071434 in words is "one hundred sixty-three million, seventy-one thousand, four hundred thirty-four".