9914155680 has 384 divisors, whose sum is σ = 37553725440. Its totient is φ = 2166312960.

The previous prime is 9914155649. The next prime is 9914155709. The reversal of 9914155680 is 865514199.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2949841 + ... + 2953199.

It is an arithmetic number, because the mean of its divisors is an integer number (97796160).

Almost surely, 2^9914155680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9914155680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18776862720).

9914155680 is an abundant number, since it is smaller than the sum of its proper divisors (27639569760).

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

9914155680 is a wasteful number, since it uses less digits than its factorization.

9914155680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444 (or 3436 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 9914155680 is about 99569.8532689488. The cubic root of 9914155680 is about 2148.2520987609.

The spelling of 9914155680 in words is "nine billion, nine hundred fourteen million, one hundred fifty-five thousand, six hundred eighty".