670666736707 has 16 divisors (see below), whose sum is σ = 742648862592. Its totient is φ = 600563617920.

The previous prime is 670666736651. The next prime is 670666736741. The reversal of 670666736707 is 707637666076.

It is not a de Polignac number, because 670666736707 - 2¹¹ = 670666734659 is a prime.

It is a super-2 number, since 2×670666736707² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670666733707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782193 + ... + 1397554.

It is an arithmetic number, because the mean of its divisors is an integer number (46415553912).

Almost surely, 2^670666736707 is an apocalyptic number.

670666736707 is a deficient number, since it is larger than the sum of its proper divisors (71982125885).

670666736707 is a wasteful number, since it uses less digits than its factorization.

670666736707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180178.

The product of its (nonzero) digits is 56010528, while the sum is 61.

The spelling of 670666736707 in words is "six hundred seventy billion, six hundred sixty-six million, seven hundred thirty-six thousand, seven hundred seven".