670497259665 has 8 divisors (see below), whose sum is σ = 1072795615488. Its totient is φ = 357598538480.

The previous prime is 670497259657. The next prime is 670497259673. The reversal of 670497259665 is 566952794076.

It is an interprime number because it is at equal distance from previous prime (670497259657) and next prime (670497259673).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 670497259665 - 2³ = 670497259657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670497259596 and 670497259605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22349908641 + ... + 22349908670.

It is an arithmetic number, because the mean of its divisors is an integer number (134099451936).

Almost surely, 2^670497259665 is an apocalyptic number.

It is an amenable number.

670497259665 is a deficient number, since it is larger than the sum of its proper divisors (402298355823).

670497259665 is a wasteful number, since it uses less digits than its factorization.

670497259665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44699817319.

The product of its (nonzero) digits is 171460800, while the sum is 66.

The spelling of 670497259665 in words is "six hundred seventy billion, four hundred ninety-seven million, two hundred fifty-nine thousand, six hundred sixty-five".