63161279 has 16 divisors (see below), whose sum is σ = 67132800. Its totient is φ = 59351040.

The previous prime is 63161269. The next prime is 63161297. The reversal of 63161279 is 97216136.

It is a cyclic number.

It is not a de Polignac number, because 63161279 - 2¹⁶ = 63095743 is a prime.

It is a super-3 number, since 3×63161279³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63161269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140447 + ... + 140895.

It is an arithmetic number, because the mean of its divisors is an integer number (4195800).

Almost surely, 2^63161279 is an apocalyptic number.

63161279 is a deficient number, since it is larger than the sum of its proper divisors (3971521).

63161279 is a wasteful number, since it uses less digits than its factorization.

63161279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its digits is 13608, while the sum is 35.

The square root of 63161279 is about 7947.4070614258. The cubic root of 63161279 is about 398.2449755683.

It can be divided in two parts, 6316127 and 9, that added together give a palindrome (6316136).

The spelling of 63161279 in words is "sixty-three million, one hundred sixty-one thousand, two hundred seventy-nine".