66712416760 has 32 divisors (see below), whose sum is σ = 163748660400. Its totient is φ = 24259060480.

The previous prime is 66712416721. The next prime is 66712416761. The reversal of 66712416760 is 6761421766.

It is a self number, because there is not a number n which added to its sum of digits gives 66712416760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66712416761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75809125 + ... + 75810004.

Almost surely, 2^66712416760 is an apocalyptic number.

It is an amenable number.

66712416760 is an abundant number, since it is smaller than the sum of its proper divisors (97036243640).

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

66712416760 is a wasteful number, since it uses less digits than its factorization.

66712416760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151619151 (or 151619147 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 66712416760 in words is "sixty-six billion, seven hundred twelve million, four hundred sixteen thousand, seven hundred sixty".