163062420437 has 4 divisors (see below), whose sum is σ = 186357051936. Its totient is φ = 139767788940.

The previous prime is 163062420371. The next prime is 163062420461. The reversal of 163062420437 is 734024260361.

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.

It is a cyclic number.

It is not a de Polignac number, because 163062420437 - 2⁸ = 163062420181 is a prime.

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 163062420437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163062420337) 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, 11647315739 + ... + 11647315752.

It is an arithmetic number, because the mean of its divisors is an integer number (46589262984).

Almost surely, 2^163062420437 is an apocalyptic number.

It is an amenable number.

163062420437 is a deficient number, since it is larger than the sum of its proper divisors (23294631499).

163062420437 is an equidigital number, since it uses as much as digits as its factorization.

163062420437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23294631498.

The product of its (nonzero) digits is 145152, while the sum is 38.

Adding to 163062420437 its reverse (734024260361), we get a palindrome (897086680798).

The spelling of 163062420437 in words is "one hundred sixty-three billion, sixty-two million, four hundred twenty thousand, four hundred thirty-seven".