60661851 has 8 divisors (see below), whose sum is σ = 85139520. Its totient is φ = 38312712.

The previous prime is 60661849. The next prime is 60661873. The reversal of 60661851 is 15816606.

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

It is not a de Polignac number, because 60661851 - 2¹ = 60661849 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (60661801) 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, 532065 + ... + 532178.

It is an arithmetic number, because the mean of its divisors is an integer number (10642440).

Almost surely, 2^60661851 is an apocalyptic number.

60661851 is a deficient number, since it is larger than the sum of its proper divisors (24477669).

60661851 is a wasteful number, since it uses less digits than its factorization.

60661851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064265.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 60661851 is about 7788.5718203018. The cubic root of 60661851 is about 392.9209806878.

The spelling of 60661851 in words is "sixty million, six hundred sixty-one thousand, eight hundred fifty-one".