68052661 has 8 divisors (see below), whose sum is σ = 73382400. Its totient is φ = 62897760.

The previous prime is 68052659. The next prime is 68052679. The reversal of 68052661 is 16625086.

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

It is a cyclic number.

It is not a de Polignac number, because 68052661 - 2¹ = 68052659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68052461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42901 + ... + 44458.

It is an arithmetic number, because the mean of its divisors is an integer number (9172800).

Almost surely, 2^68052661 is an apocalyptic number.

It is an amenable number.

68052661 is a deficient number, since it is larger than the sum of its proper divisors (5329739).

68052661 is a wasteful number, since it uses less digits than its factorization.

68052661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87419.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 68052661 is about 8249.4036754180. The cubic root of 68052661 is about 408.2708477295.

The spelling of 68052661 in words is "sixty-eight million, fifty-two thousand, six hundred sixty-one".