945663658 has 8 divisors (see below), whose sum is σ = 1501936452. Its totient is φ = 445018176.

The previous prime is 945663643. The next prime is 945663659. The reversal of 945663658 is 856366549.

It can be written as a sum of positive squares in 2 ways, for example, as 943902729 + 1760929 = 30723^2 + 1327^2 .

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

It is not an unprimeable number, because it can be changed into a prime (945663659) 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 3 ways as a sum of consecutive naturals, for example, 13906785 + ... + 13906852.

Almost surely, 2^945663658 is an apocalyptic number.

945663658 is a deficient number, since it is larger than the sum of its proper divisors (556272794).

945663658 is a wasteful number, since it uses less digits than its factorization.

945663658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27813656.

The product of its digits is 4665600, while the sum is 52.

The square root of 945663658 is about 30751.6448015387. The cubic root of 945663658 is about 981.5495609227.

The spelling of 945663658 in words is "nine hundred forty-five million, six hundred sixty-three thousand, six hundred fifty-eight".