260163551601 has 6 divisors (see below), whose sum is σ = 375791796770. Its totient is φ = 173442367728.

The previous prime is 260163551591. The next prime is 260163551603. The reversal of 260163551601 is 106155361062.

260163551601 is a `hidden beast` number, since 2 + 6 + 0 + 1 + 635 + 5 + 16 + 0 + 1 = 666.

260163551601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 239355777600 + 20807774001 = 489240^2 + 144249^2 .

It is not a de Polignac number, because 260163551601 - 2¹⁵ = 260163518833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260163551603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14453530636 + ... + 14453530653.

Almost surely, 2^260163551601 is an apocalyptic number.

It is an amenable number.

260163551601 is a deficient number, since it is larger than the sum of its proper divisors (115628245169).

260163551601 is a wasteful number, since it uses less digits than its factorization.

260163551601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28907061295 (or 28907061292 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 260163551601 in words is "two hundred sixty billion, one hundred sixty-three million, five hundred fifty-one thousand, six hundred one".