70666666673669 has 16 divisors (see below), whose sum is σ = 79591791865344. Its totient is φ = 62159088571200.

The previous prime is 70666666673651. The next prime is 70666666673773. The reversal of 70666666673669 is 96637666666607.

It is a cyclic number.

It is not a de Polignac number, because 70666666673669 - 2⁸ = 70666666673413 is a prime.

It is a super-2 number, since 2×70666666673669² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70666666673593 and 70666666673602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70666666673569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16401854 + ... + 20257199.

It is an arithmetic number, because the mean of its divisors is an integer number (4974486991584).

Almost surely, 2^{70666666673669} is an apocalyptic number.

It is an amenable number.

70666666673669 is a deficient number, since it is larger than the sum of its proper divisors (8925125191675).

70666666673669 is a wasteful number, since it uses less digits than its factorization.

70666666673669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36664748.

The product of its (nonzero) digits is 13332791808, while the sum is 80.

The spelling of 70666666673669 in words is "seventy trillion, six hundred sixty-six billion, six hundred sixty-six million, six hundred seventy-three thousand, six hundred sixty-nine".