70666517120 has 32 divisors (see below), whose sum is σ = 168937144020. Its totient is φ = 28266606592.

The previous prime is 70666517111. The next prime is 70666517171. The reversal of 70666517120 is 2171566607.

It can be written as a sum of positive squares in 2 ways, for example, as 68631424576 + 2035092544 = 261976^2 + 45112^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55207577 + ... + 55208856.

Almost surely, 2^70666517120 is an apocalyptic number.

It is an amenable number.

70666517120 is an abundant number, since it is smaller than the sum of its proper divisors (98270626900).

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

70666517120 is a wasteful number, since it uses less digits than its factorization.

70666517120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110416452 (or 110416440 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 70666517120 in words is "seventy billion, six hundred sixty-six million, five hundred seventeen thousand, one hundred twenty".