8664749629658 has 8 divisors (see below), whose sum is σ = 12998293389120. Its totient is φ = 4331985166620.

The previous prime is 8664749629643. The next prime is 8664749629673. The reversal of 8664749629658 is 8569269474668.

It is an interprime number because it is at equal distance from previous prime (8664749629643) and next prime (8664749629673).

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

It is a super-2 number, since 2×8664749629658² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194796308 + ... + 194840783.

It is an arithmetic number, because the mean of its divisors is an integer number (1624786673640).

Almost surely, 2^{8664749629658} is an apocalyptic number.

8664749629658 is a deficient number, since it is larger than the sum of its proper divisors (4333543759462).

8664749629658 is a wasteful number, since it uses less digits than its factorization.

8664749629658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389648212.

The product of its digits is 7524679680, while the sum is 80.

The spelling of 8664749629658 in words is "eight trillion, six hundred sixty-four billion, seven hundred forty-nine million, six hundred twenty-nine thousand, six hundred fifty-eight".