670165642 has 16 divisors (see below), whose sum is σ = 1022818464. Its totient is φ = 329238000.

The previous prime is 670165637. The next prime is 670165667. The reversal of 670165642 is 246561076.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 140517 + ... + 145207.

It is an arithmetic number, because the mean of its divisors is an integer number (63926154).

Almost surely, 2^670165642 is an apocalyptic number.

670165642 is a deficient number, since it is larger than the sum of its proper divisors (352652822).

670165642 is a wasteful number, since it uses less digits than its factorization.

670165642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 670165642 is about 25887.5576677291. The cubic root of 670165642 is about 875.1061169803.

The spelling of 670165642 in words is "six hundred seventy million, one hundred sixty-five thousand, six hundred forty-two".