66473711702 has 4 divisors (see below), whose sum is σ = 99710567556. Its totient is φ = 33236855850.

The previous prime is 66473711687. The next prime is 66473711741. The reversal of 66473711702 is 20711737466.

66473711702 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×66473711702² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16618427924 + ... + 16618427927.

It is an arithmetic number, because the mean of its divisors is an integer number (24927641889).

Almost surely, 2^66473711702 is an apocalyptic number.

66473711702 is a deficient number, since it is larger than the sum of its proper divisors (33236855854).

66473711702 is a wasteful number, since it uses less digits than its factorization.

66473711702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33236855853.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 66473711702 in words is "sixty-six billion, four hundred seventy-three million, seven hundred eleven thousand, seven hundred two".