670137067305 has 24 divisors (see below), whose sum is σ = 1163453575752. Its totient is φ = 356827156224.

The previous prime is 670137067283. The next prime is 670137067319. The reversal of 670137067305 is 503760731076.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 144 + 670137067161 = 12^2 + 818619^2 .

It is not a de Polignac number, because 670137067305 - 2¹⁰ = 670137066281 is a prime.

It is a super-2 number, since 2×670137067305² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12040254 + ... + 12095783.

It is an arithmetic number, because the mean of its divisors is an integer number (48477232323).

Almost surely, 2^670137067305 is an apocalyptic number.

It is an amenable number.

670137067305 is a deficient number, since it is larger than the sum of its proper divisors (493316508447).

670137067305 is a wasteful number, since it uses less digits than its factorization.

670137067305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24136665 (or 24136662 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 45.

The spelling of 670137067305 in words is "six hundred seventy billion, one hundred thirty-seven million, sixty-seven thousand, three hundred five".