163506425510654 has 16 divisors (see below), whose sum is σ = 258421394649600. Its totient is φ = 77374405773144.

The previous prime is 163506425510627. The next prime is 163506425510707. The reversal of 163506425510654 is 456015524605361.

It is a junction number, because it is equal to n+sod(n) for n = 163506425510596 and 163506425510605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111247182 + ... + 2111324625.

It is an arithmetic number, because the mean of its divisors is an integer number (16151337165600).

Almost surely, 2^{163506425510654} is an apocalyptic number.

163506425510654 is a deficient number, since it is larger than the sum of its proper divisors (94914969138946).

163506425510654 is a wasteful number, since it uses less digits than its factorization.

163506425510654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222572847.

The product of its (nonzero) digits is 12960000, while the sum is 53.

The spelling of 163506425510654 in words is "one hundred sixty-three trillion, five hundred six billion, four hundred twenty-five million, five hundred ten thousand, six hundred fifty-four".