670667507051 has 4 divisors (see below), whose sum is σ = 671332193400. Its totient is φ = 670002820704.

The previous prime is 670667507039. The next prime is 670667507087. The reversal of 670667507051 is 150705766076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670667507051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670667507551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332341661 + ... + 332343678.

It is an arithmetic number, because the mean of its divisors is an integer number (167833048350).

Almost surely, 2^670667507051 is an apocalyptic number.

670667507051 is a deficient number, since it is larger than the sum of its proper divisors (664686349).

670667507051 is a wasteful number, since it uses less digits than its factorization.

670667507051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664686348.

The product of its (nonzero) digits is 1852200, while the sum is 50.

The spelling of 670667507051 in words is "six hundred seventy billion, six hundred sixty-seven million, five hundred seven thousand, fifty-one".