60661406 has 32 divisors (see below), whose sum is σ = 105271488. Its totient is φ = 25966080.

The previous prime is 60661399. The next prime is 60661411. The reversal of 60661406 is 60416606.

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 15 ways as a sum of consecutive naturals, for example, 30416 + ... + 32348.

It is an arithmetic number, because the mean of its divisors is an integer number (3289734).

Almost surely, 2^60661406 is an apocalyptic number.

60661406 is a deficient number, since it is larger than the sum of its proper divisors (44610082).

60661406 is a wasteful number, since it uses less digits than its factorization.

60661406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 60661406 is about 7788.5432527527. The cubic root of 60661406 is about 392.9200198958.

The spelling of 60661406 in words is "sixty million, six hundred sixty-one thousand, four hundred six".