60663551 has 8 divisors (see below), whose sum is σ = 65479344. Its totient is φ = 55869120.

The previous prime is 60663517. The next prime is 60663553. The reversal of 60663551 is 15536606.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60663551 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 (60663553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836 + ... + 11046.

It is an arithmetic number, because the mean of its divisors is an integer number (8184918).

Almost surely, 2^60663551 is an apocalyptic number.

60663551 is a deficient number, since it is larger than the sum of its proper divisors (4815793).

60663551 is a wasteful number, since it uses less digits than its factorization.

60663551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10681.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 60663551 is about 7788.6809537944. The cubic root of 60663551 is about 392.9246510859.

The spelling of 60663551 in words is "sixty million, six hundred sixty-three thousand, five hundred fifty-one".