72116162 has 8 divisors (see below), whose sum is σ = 108210492. Its totient is φ = 36046000.

The previous prime is 72116131. The next prime is 72116167. The reversal of 72116162 is 26161127.

It can be written as a sum of positive squares in 2 ways, for example, as 70744921 + 1371241 = 8411^2 + 1171^2 .

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

It is a super-2 number, since 2×72116162² = 10401481643220488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72116167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7412 + ... + 14112.

Almost surely, 2^72116162 is an apocalyptic number.

72116162 is a deficient number, since it is larger than the sum of its proper divisors (36094330).

72116162 is a wasteful number, since it uses less digits than its factorization.

72116162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084.

The product of its digits is 1008, while the sum is 26.

The square root of 72116162 is about 8492.1235271279. The cubic root of 72116162 is about 416.2403728231.

Adding to 72116162 its reverse (26161127), we get a palindrome (98277289).

It can be divided in two parts, 72 and 116162, that multiplied together give a square (8363664 = 2892²).

The spelling of 72116162 in words is "seventy-two million, one hundred sixteen thousand, one hundred sixty-two".