670741601545 has 32 divisors (see below), whose sum is σ = 858077337600. Its totient is φ = 501865481664.

The previous prime is 670741601531. The next prime is 670741601549. The reversal of 670741601545 is 545106147076.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670741601545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670741601495 and 670741601504.

It is not an unprimeable number, because it can be changed into a prime (670741601549) 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 31 ways as a sum of consecutive naturals, for example, 11190466 + ... + 11250244.

It is an arithmetic number, because the mean of its divisors is an integer number (26814916800).

Almost surely, 2^670741601545 is an apocalyptic number.

It is an amenable number.

670741601545 is a deficient number, since it is larger than the sum of its proper divisors (187335736055).

670741601545 is a wasteful number, since it uses less digits than its factorization.

670741601545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61309.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 670741601545 in words is "six hundred seventy billion, seven hundred forty-one million, six hundred one thousand, five hundred forty-five".