60644222642 has 8 divisors (see below), whose sum is σ = 91165386396. Its totient is φ = 30255760512.

The previous prime is 60644222609. The next prime is 60644222693. The reversal of 60644222642 is 24622244606.

It can be written as a sum of positive squares in 2 ways, for example, as 49536959761 + 11107262881 = 222569^2 + 105391^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 60644222596 and 60644222605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33174263 + ... + 33176090.

Almost surely, 2^60644222642 is an apocalyptic number.

60644222642 is a deficient number, since it is larger than the sum of its proper divisors (30521163754).

60644222642 is a wasteful number, since it uses less digits than its factorization.

60644222642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66350812.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 60644222642 in words is "sixty billion, six hundred forty-four million, two hundred twenty-two thousand, six hundred forty-two".