70616521166 has 24 divisors (see below), whose sum is σ = 109750619784. Its totient is φ = 34076034720.

The previous prime is 70616521147. The next prime is 70616521169. The reversal of 70616521166 is 66112561607.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70616521169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4585856 + ... + 4601228.

It is an arithmetic number, because the mean of its divisors is an integer number (4572942491).

Almost surely, 2^70616521166 is an apocalyptic number.

70616521166 is a deficient number, since it is larger than the sum of its proper divisors (39134098618).

70616521166 is a wasteful number, since it uses less digits than its factorization.

70616521166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18164 (or 18135 counting only the distinct ones).

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

The spelling of 70616521166 in words is "seventy billion, six hundred sixteen million, five hundred twenty-one thousand, one hundred sixty-six".