60664251 has 8 divisors (see below), whose sum is σ = 81249280. Its totient is φ = 40261032.

The previous prime is 60664237. The next prime is 60664273. The reversal of 60664251 is 15246606.

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

It is not a de Polignac number, because 60664251 - 2⁹ = 60663739 is a prime.

It is a super-3 number, since 3×60664251³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60664291) by changing a digit.

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, 44671 + ... + 46008.

It is an arithmetic number, because the mean of its divisors is an integer number (10156160).

Almost surely, 2^60664251 is an apocalyptic number.

60664251 is a deficient number, since it is larger than the sum of its proper divisors (20585029).

60664251 is a wasteful number, since it uses less digits than its factorization.

60664251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90905.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 60664251 is about 7788.7258906704. The cubic root of 60664251 is about 392.9261624064.

The spelling of 60664251 in words is "sixty million, six hundred sixty-four thousand, two hundred fifty-one".