66706116152 has 32 divisors (see below), whose sum is σ = 135273181680. Its totient is φ = 30655292160.

The previous prime is 66706116133. The next prime is 66706116167. The reversal of 66706116152 is 25161160766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352174 + ... + 1400637.

Almost surely, 2^66706116152 is an apocalyptic number.

It is an amenable number.

66706116152 is an abundant number, since it is smaller than the sum of its proper divisors (68567065528).

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

66706116152 is a wasteful number, since it uses less digits than its factorization.

66706116152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753063 (or 2753059 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 66706116152 in words is "sixty-six billion, seven hundred six million, one hundred sixteen thousand, one hundred fifty-two".