63164457 has 12 divisors (see below), whose sum is σ = 92263860. Its totient is φ = 41635968.

The previous prime is 63164443. The next prime is 63164459. The reversal of 63164457 is 75446136.

It is a happy number.

63164457 is a `hidden beast` number, since 6 + 3 + 1 + 644 + 5 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14220441 + 48944016 = 3771^2 + 6996^2 .

It is not a de Polignac number, because 63164457 - 2¹¹ = 63162409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63164459) 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, 38628 + ... + 40229.

It is an arithmetic number, because the mean of its divisors is an integer number (7688655).

Almost surely, 2^63164457 is an apocalyptic number.

It is an amenable number.

63164457 is a deficient number, since it is larger than the sum of its proper divisors (29099403).

63164457 is a wasteful number, since it uses less digits than its factorization.

63164457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78952 (or 78949 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 63164457 is about 7947.6069983360. The cubic root of 63164457 is about 398.2516547728.

The spelling of 63164457 in words is "sixty-three million, one hundred sixty-four thousand, four hundred fifty-seven".