215350414165 has 8 divisors (see below), whose sum is σ = 258428642688. Its totient is φ = 172274900880.

The previous prime is 215350414127. The next prime is 215350414187. The reversal of 215350414165 is 561414053512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 215350414165 - 2²¹ = 215348317013 is a prime.

It is a Duffinian 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, 500041 + ... + 825070.

It is an arithmetic number, because the mean of its divisors is an integer number (32303580336).

Almost surely, 2^215350414165 is an apocalyptic number.

It is an amenable number.

215350414165 is a deficient number, since it is larger than the sum of its proper divisors (43078228523).

215350414165 is a wasteful number, since it uses less digits than its factorization.

215350414165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357619.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 215350414165 its reverse (561414053512), we get a palindrome (776764467677).

The spelling of 215350414165 in words is "two hundred fifteen billion, three hundred fifty million, four hundred fourteen thousand, one hundred sixty-five".