215366162215106 has 16 divisors (see below), whose sum is σ = 381108784750080. Its totient is φ = 89322371425440.

The previous prime is 215366162215097. The next prime is 215366162215147. The reversal of 215366162215106 is 601512261663512.

It is a happy number.

It is a super-2 number, since 2×215366162215106² (a number of 29 digits) contains 22 as substring.

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, 248117697971 + ... + 248117698838.

It is an arithmetic number, because the mean of its divisors is an integer number (23819299046880).

Almost surely, 2^{215366162215106} is an apocalyptic number.

215366162215106 is a deficient number, since it is larger than the sum of its proper divisors (165742622534974).

215366162215106 is a wasteful number, since it uses less digits than its factorization.

215366162215106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496235396849.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 215366162215106 in words is "two hundred fifteen trillion, three hundred sixty-six billion, one hundred sixty-two million, two hundred fifteen thousand, one hundred six".