66602534316 has 48 divisors (see below), whose sum is σ = 155815954560. Its totient is φ = 22142350720.

The previous prime is 66602534293. The next prime is 66602534347. The reversal of 66602534316 is 61343520666.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7547755 + ... + 7556573.

It is an arithmetic number, because the mean of its divisors is an integer number (3246165720).

Almost surely, 2^66602534316 is an apocalyptic number.

It is an amenable number.

66602534316 is an abundant number, since it is smaller than the sum of its proper divisors (89213420244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66602534316 is a wasteful number, since it uses less digits than its factorization.

66602534316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10414 (or 10412 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 66602534316 in words is "sixty-six billion, six hundred two million, five hundred thirty-four thousand, three hundred sixteen".