163112235322545 has 32 divisors (see below), whose sum is σ = 290010759235200. Its totient is φ = 86983156573632.

The previous prime is 163112235322501. The next prime is 163112235322567. The reversal of 163112235322545 is 545223532211361.

163112235322545 is a `hidden beast` number, since 1 + 6 + 3 + 1 + 12 + 23 + 53 + 22 + 545 = 666.

It is not a de Polignac number, because 163112235322545 - 2¹⁵ = 163112235289777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 163112235322545.

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, 68517007 + ... + 70857636.

It is an arithmetic number, because the mean of its divisors is an integer number (9062836226100).

Almost surely, 2^{163112235322545} is an apocalyptic number.

163112235322545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163112235322545 is a deficient number, since it is larger than the sum of its proper divisors (126898523912655).

163112235322545 is a wasteful number, since it uses less digits than its factorization.

163112235322545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139383326 (or 139383320 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The spelling of 163112235322545 in words is "one hundred sixty-three trillion, one hundred twelve billion, two hundred thirty-five million, three hundred twenty-two thousand, five hundred forty-five".