63546637161 has 16 divisors (see below), whose sum is σ = 96879524864. Its totient is φ = 36294906384.

The previous prime is 63546637087. The next prime is 63546637163. The reversal of 63546637161 is 16173664536.

It is not a de Polignac number, because 63546637161 - 2¹⁴ = 63546620777 is a prime.

It is a super-2 number, since 2×63546637161² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63546637161.

It is not an unprimeable number, because it can be changed into a prime (63546637163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682621 + ... + 770106.

It is an arithmetic number, because the mean of its divisors is an integer number (6054970304).

Almost surely, 2^63546637161 is an apocalyptic number.

It is an amenable number.

63546637161 is a deficient number, since it is larger than the sum of its proper divisors (33332887703).

63546637161 is a wasteful number, since it uses less digits than its factorization.

63546637161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454820.

The product of its digits is 1632960, while the sum is 48.

The spelling of 63546637161 in words is "sixty-three billion, five hundred forty-six million, six hundred thirty-seven thousand, one hundred sixty-one".