9942662658 has 16 divisors (see below), whose sum is σ = 20308417920. Its totient is φ = 3243705456.

The previous prime is 9942662657. The next prime is 9942662699. The reversal of 9942662658 is 8562662499.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9942662598 and 9942662607.

It is not an unprimeable number, because it can be changed into a prime (9942662651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17628553 + ... + 17629116.

It is an arithmetic number, because the mean of its divisors is an integer number (1269276120).

Almost surely, 2^9942662658 is an apocalyptic number.

9942662658 is an abundant number, since it is smaller than the sum of its proper divisors (10365755262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9942662658 is a wasteful number, since it uses less digits than its factorization.

9942662658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35257721.

The product of its digits is 11197440, while the sum is 57.

The square root of 9942662658 is about 99712.9011612840. The cubic root of 9942662658 is about 2150.3091430718.

The spelling of 9942662658 in words is "nine billion, nine hundred forty-two million, six hundred sixty-two thousand, six hundred fifty-eight".