68155652 has 12 divisors (see below), whose sum is σ = 126288540. Its totient is φ = 32073216.

The previous prime is 68155643. The next prime is 68155663. The reversal of 68155652 is 25655186.

It can be written as a sum of positive squares in 2 ways, for example, as 58767556 + 9388096 = 7666^2 + 3064^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501077 + ... + 501212.

It is an arithmetic number, because the mean of its divisors is an integer number (10524045).

Almost surely, 2^68155652 is an apocalyptic number.

It is an amenable number.

68155652 is a deficient number, since it is larger than the sum of its proper divisors (58132888).

68155652 is a wasteful number, since it uses less digits than its factorization.

68155652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002310 (or 1002308 counting only the distinct ones).

The product of its digits is 72000, while the sum is 38.

The square root of 68155652 is about 8255.6436454101. The cubic root of 68155652 is about 408.4767031564.

The spelling of 68155652 in words is "sixty-eight million, one hundred fifty-five thousand, six hundred fifty-two".