102163515407 has 2 divisors, whose sum is σ = 102163515408. Its totient is φ = 102163515406.

The previous prime is 102163515319. The next prime is 102163515431. The reversal of 102163515407 is 704515361201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102163515407 - 2⁸ = 102163515151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102163515457) 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 as a sum of consecutive naturals, namely, 51081757703 + 51081757704.

It is an arithmetic number, because the mean of its divisors is an integer number (51081757704).

Almost surely, 2^102163515407 is an apocalyptic number.

102163515407 is a deficient number, since it is larger than the sum of its proper divisors (1).

102163515407 is an equidigital number, since it uses as much as digits as its factorization.

102163515407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

Adding to 102163515407 its reverse (704515361201), we get a palindrome (806678876608).

The spelling of 102163515407 in words is "one hundred two billion, one hundred sixty-three million, five hundred fifteen thousand, four hundred seven".