162615655321 has 8 divisors (see below), whose sum is σ = 185933202944. Its totient is φ = 139319792640.

The previous prime is 162615655297. The next prime is 162615655327. The reversal of 162615655321 is 123556516261.

It is a happy number.

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

It is not a de Polignac number, because 162615655321 - 2¹⁵ = 162615622553 is a prime.

It is a super-2 number, since 2×162615655321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162615655327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5405160 + ... + 5435161.

It is an arithmetic number, because the mean of its divisors is an integer number (23241650368).

Almost surely, 2^162615655321 is an apocalyptic number.

It is an amenable number.

162615655321 is a deficient number, since it is larger than the sum of its proper divisors (23317547623).

162615655321 is a wasteful number, since it uses less digits than its factorization.

162615655321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10842471.

The product of its digits is 324000, while the sum is 43.

The spelling of 162615655321 in words is "one hundred sixty-two billion, six hundred fifteen million, six hundred fifty-five thousand, three hundred twenty-one".