163514020421601 has 6 divisors (see below), whose sum is σ = 236186918386770. Its totient is φ = 109009346947728.

The previous prime is 163514020421593. The next prime is 163514020421623. The reversal of 163514020421601 is 106124020415361.

163514020421601 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 1 + 4 + 0 + 2 + 0 + 42 + 1 + 601 = 666.

It can be written as a sum of positive squares in only one way, i.e., 138091853060001 + 25422167361600 = 11751249^2 + 5042040^2 .

It is not a de Polignac number, because 163514020421601 - 2³ = 163514020421593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163514020421201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9084112245636 + ... + 9084112245653.

It is an arithmetic number, because the mean of its divisors is an integer number (39364486397795).

Almost surely, 2^{163514020421601} is an apocalyptic number.

It is an amenable number.

163514020421601 is a deficient number, since it is larger than the sum of its proper divisors (72672897965169).

163514020421601 is a wasteful number, since it uses less digits than its factorization.

163514020421601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18168224491295 (or 18168224491292 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 163514020421601 its reverse (106124020415361), we get a palindrome (269638040836962).

The spelling of 163514020421601 in words is "one hundred sixty-three trillion, five hundred fourteen billion, twenty million, four hundred twenty-one thousand, six hundred one".