63164434 has 4 divisors (see below), whose sum is σ = 94746654. Its totient is φ = 31582216.

The previous prime is 63164419. The next prime is 63164443. The reversal of 63164434 is 43446136.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39125025 + 24039409 = 6255^2 + 4903^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 63164396 and 63164405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15791107 + ... + 15791110.

Almost surely, 2^63164434 is an apocalyptic number.

63164434 is a deficient number, since it is larger than the sum of its proper divisors (31582220).

63164434 is a wasteful number, since it uses less digits than its factorization.

63164434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31582219.

The product of its digits is 20736, while the sum is 31.

The square root of 63164434 is about 7947.6055513595. The cubic root of 63164434 is about 398.2516064345.

The spelling of 63164434 in words is "sixty-three million, one hundred sixty-four thousand, four hundred thirty-four".