215652655622 has 4 divisors (see below), whose sum is σ = 323478983436. Its totient is φ = 107826327810.

The previous prime is 215652655619. The next prime is 215652655633. The reversal of 215652655622 is 226556256512.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53913163904 + ... + 53913163907.

It is an arithmetic number, because the mean of its divisors is an integer number (80869745859).

Almost surely, 2^215652655622 is an apocalyptic number.

215652655622 is a deficient number, since it is larger than the sum of its proper divisors (107826327814).

215652655622 is a wasteful number, since it uses less digits than its factorization.

215652655622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107826327813.

The product of its digits is 2160000, while the sum is 47.

The spelling of 215652655622 in words is "two hundred fifteen billion, six hundred fifty-two million, six hundred fifty-five thousand, six hundred twenty-two".