678161602 has 8 divisors (see below), whose sum is σ = 1018429200. Its totient is φ = 338685204.

The previous prime is 678161591. The next prime is 678161633. The reversal of 678161602 is 206161876.

678161602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-4 number, since 4×678161602⁴ (a number of 36 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195652 + ... + 199087.

It is an arithmetic number, because the mean of its divisors is an integer number (127303650).

Almost surely, 2^678161602 is an apocalyptic number.

678161602 is a deficient number, since it is larger than the sum of its proper divisors (340267598).

678161602 is a wasteful number, since it uses less digits than its factorization.

678161602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395600.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 678161602 is about 26041.5360914060. The cubic root of 678161602 is about 878.5727561818.

The spelling of 678161602 in words is "six hundred seventy-eight million, one hundred sixty-one thousand, six hundred two".