163620443325045 has 32 divisors (see below), whose sum is σ = 301199665593600. Its totient is φ = 74295917498880.

The previous prime is 163620443325029. The next prime is 163620443325089. The reversal of 163620443325045 is 540523344026361.

It is not a de Polignac number, because 163620443325045 - 2⁴ = 163620443325029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163620443324985 and 163620443325003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5229145216 + ... + 5229176505.

It is an arithmetic number, because the mean of its divisors is an integer number (9412489549800).

Almost surely, 2^{163620443325045} is an apocalyptic number.

163620443325045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163620443325045 is a deficient number, since it is larger than the sum of its proper divisors (137579222268555).

163620443325045 is a wasteful number, since it uses less digits than its factorization.

163620443325045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10458321885.

The product of its (nonzero) digits is 6220800, while the sum is 48.

The spelling of 163620443325045 in words is "one hundred sixty-three trillion, six hundred twenty billion, four hundred forty-three million, three hundred twenty-five thousand, forty-five".