670051720055 has 16 divisors (see below), whose sum is σ = 806260422240. Its totient is φ = 534576256128.

The previous prime is 670051720043. The next prime is 670051720061. The reversal of 670051720055 is 550027150076.

670051720055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 670051720055 - 2⁶ = 670051719991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13615724 + ... + 13664846.

It is an arithmetic number, because the mean of its divisors is an integer number (50391276390).

Almost surely, 2^670051720055 is an apocalyptic number.

670051720055 is a deficient number, since it is larger than the sum of its proper divisors (136208702185).

670051720055 is a wasteful number, since it uses less digits than its factorization.

670051720055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56530.

The product of its (nonzero) digits is 73500, while the sum is 38.

The spelling of 670051720055 in words is "six hundred seventy billion, fifty-one million, seven hundred twenty thousand, fifty-five".