162220616 has 8 divisors (see below), whose sum is σ = 304163670. Its totient is φ = 81110304.

The previous prime is 162220607. The next prime is 162220631. The reversal of 162220616 is 616022261.

It can be written as a sum of positive squares in only one way, i.e., 152423716 + 9796900 = 12346^2 + 3130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10138781 + ... + 10138796.

Almost surely, 2^162220616 is an apocalyptic number.

It is an amenable number.

162220616 is a deficient number, since it is larger than the sum of its proper divisors (141943054).

162220616 is a wasteful number, since it uses less digits than its factorization.

162220616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20277583 (or 20277579 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 162220616 is about 12736.5857277372. The cubic root of 162220616 is about 545.3835260195.

Adding to 162220616 its reverse (616022261), we get a palindrome (778242877).

The spelling of 162220616 in words is "one hundred sixty-two million, two hundred twenty thousand, six hundred sixteen".