616670 has 8 divisors (see below), whose sum is σ = 1110024. Its totient is φ = 246664.

The previous prime is 616669. The next prime is 616673. The reversal of 616670 is 76616.

616670 = 166² + 167² + ... + 185².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30824 + ... + 30843.

It is an arithmetic number, because the mean of its divisors is an integer number (138753).

2⁶¹⁶⁶⁷⁰ is an apocalyptic number.

616670 is a deficient number, since it is larger than the sum of its proper divisors (493354).

616670 is a wasteful number, since it uses less digits than its factorization.

616670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61674.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 616670 is about 785.2833883382. The cubic root of 616670 is about 85.1172545553.

The spelling of 616670 in words is "six hundred sixteen thousand, six hundred seventy".