63161332783 has 4 divisors (see below), whose sum is σ = 63658666240. Its totient is φ = 62663999328.

The previous prime is 63161332781. The next prime is 63161332807. The reversal of 63161332783 is 38723316136.

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

It is a cyclic number.

It is not a de Polignac number, because 63161332783 - 2¹ = 63161332781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63161332781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248666538 + ... + 248666791.

It is an arithmetic number, because the mean of its divisors is an integer number (15914666560).

Almost surely, 2^63161332783 is an apocalyptic number.

63161332783 is a deficient number, since it is larger than the sum of its proper divisors (497333457).

63161332783 is a wasteful number, since it uses less digits than its factorization.

63161332783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497333456.

The product of its digits is 326592, while the sum is 43.

The spelling of 63161332783 in words is "sixty-three billion, one hundred sixty-one million, three hundred thirty-two thousand, seven hundred eighty-three".