215160060172 has 12 divisors (see below), whose sum is σ = 376539306696. Its totient is φ = 107577401120.

The previous prime is 215160060149. The next prime is 215160060197. The reversal of 215160060172 is 271060061512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466978 + ... + 805225.

It is an arithmetic number, because the mean of its divisors is an integer number (31378275558).

Almost surely, 2^215160060172 is an apocalyptic number.

It is an amenable number.

215160060172 is a deficient number, since it is larger than the sum of its proper divisors (161379246524).

215160060172 is a wasteful number, since it uses less digits than its factorization.

215160060172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314488 (or 1314486 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 215160060172 in words is "two hundred fifteen billion, one hundred sixty million, sixty thousand, one hundred seventy-two".