163516651463201 has 4 divisors (see below), whose sum is σ = 169155156686100. Its totient is φ = 157878146240304.

The previous prime is 163516651463183. The next prime is 163516651463227. The reversal of 163516651463201 is 102364156615361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27000234630625 + 136516416832576 = 5196175^2 + 11684024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163516651463201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163516651463201.

It is not an unprimeable number, because it can be changed into a prime (163516651463701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2819252611406 + ... + 2819252611463.

It is an arithmetic number, because the mean of its divisors is an integer number (42288789171525).

Almost surely, 2^{163516651463201} is an apocalyptic number.

It is an amenable number.

163516651463201 is a deficient number, since it is larger than the sum of its proper divisors (5638505222899).

163516651463201 is an equidigital number, since it uses as much as digits as its factorization.

163516651463201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5638505222898.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 163516651463201 in words is "one hundred sixty-three trillion, five hundred sixteen billion, six hundred fifty-one million, four hundred sixty-three thousand, two hundred one".