670051567 has 2 divisors, whose sum is σ = 670051568. Its totient is φ = 670051566.

The previous prime is 670051559. The next prime is 670051573. The reversal of 670051567 is 765150076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670051567 - 2³ = 670051559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670051367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335025783 + 335025784.

It is an arithmetic number, because the mean of its divisors is an integer number (335025784).

Almost surely, 2^670051567 is an apocalyptic number.

670051567 is a deficient number, since it is larger than the sum of its proper divisors (1).

670051567 is an equidigital number, since it uses as much as digits as its factorization.

670051567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 670051567 is about 25885.3542954312. The cubic root of 670051567 is about 875.0564609009.

The spelling of 670051567 in words is "six hundred seventy million, fifty-one thousand, five hundred sixty-seven".