215064016302 has 16 divisors (see below), whose sum is σ = 430511063040. Its totient is φ = 71624167032.

The previous prime is 215064016301. The next prime is 215064016429. The reversal of 215064016302 is 203610460512.

It is a super-2 number, since 2×215064016302² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 215064016302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215064016301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15952302 + ... + 15965777.

It is an arithmetic number, because the mean of its divisors is an integer number (26906941440).

Almost surely, 2^215064016302 is an apocalyptic number.

215064016302 is an abundant number, since it is smaller than the sum of its proper divisors (215447046738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215064016302 is a wasteful number, since it uses less digits than its factorization.

215064016302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31919207.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 215064016302 its reverse (203610460512), we get a palindrome (418674476814).

The spelling of 215064016302 in words is "two hundred fifteen billion, sixty-four million, sixteen thousand, three hundred two".