1968924658 has 16 divisors (see below), whose sum is σ = 3023159040. Its totient is φ = 961301376.

The previous prime is 1968924653. The next prime is 1968924677. The reversal of 1968924658 is 8564298691.

It is not an unprimeable number, because it can be changed into a prime (1968924653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17410 + ... + 65122.

It is an arithmetic number, because the mean of its divisors is an integer number (188947440).

Almost surely, 2^1968924658 is an apocalyptic number.

1968924658 is a deficient number, since it is larger than the sum of its proper divisors (1054234382).

1968924658 is a wasteful number, since it uses less digits than its factorization.

1968924658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48201.

The product of its digits is 7464960, while the sum is 58.

The square root of 1968924658 is about 44372.5665022883. The cubic root of 1968924658 is about 1253.3615456120.

The spelling of 1968924658 in words is "one billion, nine hundred sixty-eight million, nine hundred twenty-four thousand, six hundred fifty-eight".