60643663 has 8 divisors (see below), whose sum is σ = 63360000. Its totient is φ = 57934008.

The previous prime is 60643651. The next prime is 60643691. The reversal of 60643663 is 36634606.

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 60643663 - 2⁹ = 60643151 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 (60643603) 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, 29338 + ... + 31336.

It is an arithmetic number, because the mean of its divisors is an integer number (7920000).

Almost surely, 2^60643663 is an apocalyptic number.

60643663 is a deficient number, since it is larger than the sum of its proper divisors (2716337).

60643663 is a wasteful number, since it uses less digits than its factorization.

60643663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 60643663 is about 7787.4041246105. The cubic root of 60643663 is about 392.8817074542.

The spelling of 60643663 in words is "sixty million, six hundred forty-three thousand, six hundred sixty-three".