163501641161004 has 24 divisors (see below), whose sum is σ = 381504818270128. Its totient is φ = 54500405783040.

The previous prime is 163501641160999. The next prime is 163501641161021. The reversal of 163501641161004 is 400161146105361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12782617 + ... + 22144944.

Almost surely, 2^{163501641161004} is an apocalyptic number.

It is an amenable number.

163501641161004 is an abundant number, since it is smaller than the sum of its proper divisors (218003177109124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163501641161004 is a wasteful number, since it uses less digits than its factorization.

163501641161004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35317665 (or 35317663 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

Adding to 163501641161004 its reverse (400161146105361), we get a palindrome (563662787266365).

The spelling of 163501641161004 in words is "one hundred sixty-three trillion, five hundred one billion, six hundred forty-one million, one hundred sixty-one thousand, four".