215364163645102 has 16 divisors (see below), whose sum is σ = 324448921958400. Its totient is φ = 107214664711000.

The previous prime is 215364163645039. The next prime is 215364163645129. The reversal of 215364163645102 is 201546361463512.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32386774 + ... + 38465977.

It is an arithmetic number, because the mean of its divisors is an integer number (20278057622400).

Almost surely, 2^{215364163645102} is an apocalyptic number.

215364163645102 is a deficient number, since it is larger than the sum of its proper divisors (109084758313298).

215364163645102 is a wasteful number, since it uses less digits than its factorization.

215364163645102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70859351.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 215364163645102 in words is "two hundred fifteen trillion, three hundred sixty-four billion, one hundred sixty-three million, six hundred forty-five thousand, one hundred two".