68156366 has 16 divisors (see below), whose sum is σ = 108540000. Its totient is φ = 31987200.

The previous prime is 68156359. The next prime is 68156393. The reversal of 68156366 is 66365186.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11135 + ... + 16133.

It is an arithmetic number, because the mean of its divisors is an integer number (6783750).

Almost surely, 2^68156366 is an apocalyptic number.

68156366 is a deficient number, since it is larger than the sum of its proper divisors (40383634).

68156366 is a wasteful number, since it uses less digits than its factorization.

68156366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419.

The product of its digits is 155520, while the sum is 41.

The square root of 68156366 is about 8255.6868884424. The cubic root of 68156366 is about 408.4781295549.

The spelling of 68156366 in words is "sixty-eight million, one hundred fifty-six thousand, three hundred sixty-six".