102261401163 has 24 divisors (see below), whose sum is σ = 156789908496. Its totient is φ = 64003968000.

The previous prime is 102261401159. The next prime is 102261401167. The reversal of 102261401163 is 361104162201.

It is a happy number.

102261401163 is a `hidden beast` number, since 10 + 22 + 614 + 0 + 1 + 16 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (102261401159) and next prime (102261401167).

It is not a de Polignac number, because 102261401163 - 2² = 102261401159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102261401167) 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 23 ways as a sum of consecutive naturals, for example, 772033 + ... + 894738.

It is an arithmetic number, because the mean of its divisors is an integer number (6532912854).

Almost surely, 2^102261401163 is an apocalyptic number.

102261401163 is a deficient number, since it is larger than the sum of its proper divisors (54528507333).

102261401163 is a wasteful number, since it uses less digits than its factorization.

102261401163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667195 (or 1667192 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 102261401163 its reverse (361104162201), we get a palindrome (463365563364).

The spelling of 102261401163 in words is "one hundred two billion, two hundred sixty-one million, four hundred one thousand, one hundred sixty-three".