68162512 has 40 divisors (see below), whose sum is σ = 144758592. Its totient is φ = 30835200.

The previous prime is 68162489. The next prime is 68162539. The reversal of 68162512 is 21526186.

It is a super-2 number, since 2×68162512² = 9292256084300288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41613 + ... + 43219.

Almost surely, 2^68162512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68162512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72379296).

68162512 is an abundant number, since it is smaller than the sum of its proper divisors (76596080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68162512 is a wasteful number, since it uses less digits than its factorization.

68162512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1861 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 68162512 is about 8256.0591083155. The cubic root of 68162512 is about 408.4904073570.

Adding to 68162512 its reverse (21526186), we get a palindrome (89688698).

The spelling of 68162512 in words is "sixty-eight million, one hundred sixty-two thousand, five hundred twelve".