667140711070 has 16 divisors (see below), whose sum is σ = 1201922626320. Its totient is φ = 266618651904.

The previous prime is 667140711059. The next prime is 667140711071. The reversal of 667140711070 is 70117041766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667140711071) 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, 29692275 + ... + 29714734.

It is an arithmetic number, because the mean of its divisors is an integer number (75120164145).

Almost surely, 2^667140711070 is an apocalyptic number.

667140711070 is a deficient number, since it is larger than the sum of its proper divisors (534781915250).

667140711070 is a wasteful number, since it uses less digits than its factorization.

667140711070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59408139.

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 667140711070 in words is "six hundred sixty-seven billion, one hundred forty million, seven hundred eleven thousand, seventy".