70122166206615 has 12 divisors (see below), whose sum is σ = 121545088091544. Its totient is φ = 37398488643504.

The previous prime is 70122166206611. The next prime is 70122166206643. The reversal of 70122166206615 is 51660266122107.

70122166206615 is a `hidden beast` number, since 7 + 0 + 1 + 2 + 2 + 1 + 6 + 6 + 20 + 6 + 615 = 666.

It is not a de Polignac number, because 70122166206615 - 2² = 70122166206611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1558270360147 = 70122166206615 / (7 + 0 + 1 + 2 + 2 + 1 + 6 + 6 + 2 + 0 + 6 + 6 + 1 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70122166206611) 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, 779135180029 + ... + 779135180118.

It is an arithmetic number, because the mean of its divisors is an integer number (10128757340962).

Almost surely, 2^{70122166206615} is an apocalyptic number.

70122166206615 is a deficient number, since it is larger than the sum of its proper divisors (51422921884929).

70122166206615 is a wasteful number, since it uses less digits than its factorization.

70122166206615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558270360158 (or 1558270360155 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 70122166206615 in words is "seventy trillion, one hundred twenty-two billion, one hundred sixty-six million, two hundred six thousand, six hundred fifteen".