9980916658570 has 64 divisors (see below), whose sum is σ = 21114570951936. Its totient is φ = 3348956321280.

The previous prime is 9980916658547. The next prime is 9980916658589. The reversal of 9980916658570 is 758566190899.

It is a super-3 number, since 3×9980916658570³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9980916658493 and 9980916658502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2408787 + ... + 5075833.

It is an arithmetic number, because the mean of its divisors is an integer number (329915171124).

Almost surely, 2^{9980916658570} is an apocalyptic number.

9980916658570 is an abundant number, since it is smaller than the sum of its proper divisors (11133654293366).

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

9980916658570 is a wasteful number, since it uses less digits than its factorization.

9980916658570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669695.

The product of its (nonzero) digits is 293932800, while the sum is 73.

The spelling of 9980916658570 in words is "nine trillion, nine hundred eighty billion, nine hundred sixteen million, six hundred fifty-eight thousand, five hundred seventy".