163712054237 has 4 divisors (see below), whose sum is σ = 163713027936. Its totient is φ = 163711080540.

The previous prime is 163712054227. The next prime is 163712054327. The reversal of 163712054237 is 732450217361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 732450217361 = 467 ⋅1568415883.

It is a cyclic number.

It is not a de Polignac number, because 163712054237 - 2⁶ = 163712054173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163712054194 and 163712054203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163712054227) 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, 162713 + ... + 594894.

It is an arithmetic number, because the mean of its divisors is an integer number (40928256984).

Almost surely, 2^163712054237 is an apocalyptic number.

It is an amenable number.

163712054237 is a deficient number, since it is larger than the sum of its proper divisors (973699).

163712054237 is an equidigital number, since it uses as much as digits as its factorization.

163712054237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973698.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 163712054237 in words is "one hundred sixty-three billion, seven hundred twelve million, fifty-four thousand, two hundred thirty-seven".