130668636515 has 16 divisors (see below), whose sum is σ = 160734774816. Its totient is φ = 101916729600.

The previous prime is 130668636509. The next prime is 130668636523. The reversal of 130668636515 is 515636866031.

It is not a de Polignac number, because 130668636515 - 2¹⁶ = 130668570979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92600 + ... + 519530.

It is an arithmetic number, because the mean of its divisors is an integer number (10045923426).

Almost surely, 2^130668636515 is an apocalyptic number.

130668636515 is a deficient number, since it is larger than the sum of its proper divisors (30066138301).

130668636515 is a wasteful number, since it uses less digits than its factorization.

130668636515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428470.

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

The spelling of 130668636515 in words is "one hundred thirty billion, six hundred sixty-eight million, six hundred thirty-six thousand, five hundred fifteen".