60866861 has 16 divisors (see below), whose sum is σ = 70324800. Its totient is φ = 52099200.

The previous prime is 60866807. The next prime is 60866957. The reversal of 60866861 is 16866806.

It is a cyclic number.

It is not a de Polignac number, because 60866861 - 2⁶ = 60866797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60862861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37025 + ... + 38633.

It is an arithmetic number, because the mean of its divisors is an integer number (4395300).

Almost surely, 2^60866861 is an apocalyptic number.

It is an amenable number.

60866861 is a deficient number, since it is larger than the sum of its proper divisors (9457939).

60866861 is a wasteful number, since it uses less digits than its factorization.

60866861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 60866861 is about 7801.7216689651. The cubic root of 60866861 is about 393.3631155431.

The spelling of 60866861 in words is "sixty million, eight hundred sixty-six thousand, eight hundred sixty-one".