60644561 has 8 divisors (see below), whose sum is σ = 65041920. Its totient is φ = 56367792.

The previous prime is 60644533. The next prime is 60644567. The reversal of 60644561 is 16544606.

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 60644561 - 2¹⁴ = 60628177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60644567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29105 + ... + 31118.

It is an arithmetic number, because the mean of its divisors is an integer number (8130240).

Almost surely, 2^60644561 is an apocalyptic number.

It is an amenable number.

60644561 is a deficient number, since it is larger than the sum of its proper divisors (4397359).

60644561 is a wasteful number, since it uses less digits than its factorization.

60644561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60295.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 60644561 is about 7787.4617816077. The cubic root of 60644561 is about 392.8836466842.

The spelling of 60644561 in words is "sixty million, six hundred forty-four thousand, five hundred sixty-one".