163442248012 has 6 divisors (see below), whose sum is σ = 286023934028. Its totient is φ = 81721124004.

The previous prime is 163442248009. The next prime is 163442248027. The reversal of 163442248012 is 210842244361.

It is a super-2 number, since 2×163442248012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20430280998 + ... + 20430281005.

Almost surely, 2^163442248012 is an apocalyptic number.

It is an amenable number.

163442248012 is a deficient number, since it is larger than the sum of its proper divisors (122581686016).

163442248012 is a wasteful number, since it uses less digits than its factorization.

163442248012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40860562007 (or 40860562005 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 163442248012 in words is "one hundred sixty-three billion, four hundred forty-two million, two hundred forty-eight thousand, twelve".