670506051 has 16 divisors (see below), whose sum is σ = 946808064. Its totient is φ = 421184544.

The previous prime is 670506049. The next prime is 670506079. The reversal of 670506051 is 150605076.

It is not a de Polignac number, because 670506051 - 2¹ = 670506049 is a prime.

It is a super-2 number, since 2×670506051² = 899156728855229202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (670506041) 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 15 ways as a sum of consecutive naturals, for example, 67896 + ... + 77141.

It is an arithmetic number, because the mean of its divisors is an integer number (59175504).

Almost surely, 2^670506051 is an apocalyptic number.

670506051 is a deficient number, since it is larger than the sum of its proper divisors (276302013).

670506051 is a wasteful number, since it uses less digits than its factorization.

670506051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145130.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 670506051 is about 25894.1315938573. The cubic root of 670506051 is about 875.2542612378.

The spelling of 670506051 in words is "six hundred seventy million, five hundred six thousand, fifty-one".