61000323064 has 16 divisors (see below), whose sum is σ = 118319592600. Its totient is φ = 29448431712.

The previous prime is 61000323047. The next prime is 61000323071. The reversal of 61000323064 is 46032300016.

It is a zygodrome in base 2.

It is a congruent number.

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, 131465982 + ... + 131466445.

Almost surely, 2^61000323064 is an apocalyptic number.

It is an amenable number.

61000323064 is a deficient number, since it is larger than the sum of its proper divisors (57319269536).

61000323064 is a wasteful number, since it uses less digits than its factorization.

61000323064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262932462 (or 262932458 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 61000323064 in words is "sixty-one billion, three hundred twenty-three thousand, sixty-four".