60221407851 has 40 divisors (see below), whose sum is σ = 100420947264. Its totient is φ = 35649013680.

The previous prime is 60221407847. The next prime is 60221407867. The reversal of 60221407851 is 15870412206.

60221407851 is a `hidden beast` number, since 602 + 2 + 1 + 40 + 7 + 8 + 5 + 1 = 666.

60221407851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 60221407851 - 2² = 60221407847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60221407151) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 747601 + ... + 824226.

Almost surely, 2^60221407851 is an apocalyptic number.

60221407851 is a deficient number, since it is larger than the sum of its proper divisors (40199539413).

60221407851 is a wasteful number, since it uses less digits than its factorization.

60221407851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571893 (or 1571884 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 60221407851 in words is "sixty billion, two hundred twenty-one million, four hundred seven thousand, eight hundred fifty-one".