162009616 has 10 divisors (see below), whose sum is σ = 313893662. Its totient is φ = 81004800.

The previous prime is 162009613. The next prime is 162009619. The reversal of 162009616 is 616900261.

It is an interprime number because it is at equal distance from previous prime (162009613) and next prime (162009619).

It can be written as a sum of positive squares in only one way, i.e., 84640000 + 77369616 = 9200^2 + 8796^2 .

It is not an unprimeable number, because it can be changed into a prime (162009613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5062785 + ... + 5062816.

Almost surely, 2^162009616 is an apocalyptic number.

162009616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

162009616 is a deficient number, since it is larger than the sum of its proper divisors (151884046).

162009616 is a wasteful number, since it uses less digits than its factorization.

162009616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10125609 (or 10125603 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 162009616 is about 12728.2998079084. The cubic root of 162009616 is about 545.1469637051.

Adding to 162009616 its reverse (616900261), we get a palindrome (778909877).

The spelling of 162009616 in words is "one hundred sixty-two million, nine thousand, six hundred sixteen".