215206166162 has 32 divisors (see below), whose sum is σ = 359577429120. Its totient is φ = 95962481280.

The previous prime is 215206166117. The next prime is 215206166237. The reversal of 215206166162 is 261661602512.

215206166162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 870212 + ... + 1089807.

It is an arithmetic number, because the mean of its divisors is an integer number (11236794660).

Almost surely, 2^215206166162 is an apocalyptic number.

215206166162 is a deficient number, since it is larger than the sum of its proper divisors (144371262958).

215206166162 is a wasteful number, since it uses less digits than its factorization.

215206166162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960178.

The product of its (nonzero) digits is 51840, while the sum is 38.

Adding to 215206166162 its reverse (261661602512), we get a palindrome (476867768674).

The spelling of 215206166162 in words is "two hundred fifteen billion, two hundred six million, one hundred sixty-six thousand, one hundred sixty-two".