9907017156 has 81 divisors (see below), whose sum is σ = 25605964839. Its totient is φ = 3229679232.

The previous prime is 9907017139. The next prime is 9907017157. The reversal of 9907017156 is 6517107099.

The square root of 9907017156 is 99534.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2085383556 + 7821633600 = 45666^2 + 88440^2 .

It is not an unprimeable number, because it can be changed into a prime (9907017157) 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 26 ways as a sum of consecutive naturals, for example, 31651656 + ... + 31651968.

Almost surely, 2^9907017156 is an apocalyptic number.

9907017156 is the 99534-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9907017156

9907017156 is an abundant number, since it is smaller than the sum of its proper divisors (15698947683).

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

9907017156 is a wasteful number, since it uses less digits than its factorization.

9907017156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 45.

The cubic root of 9907017156 is about 2147.7363704834.

The spelling of 9907017156 in words is "nine billion, nine hundred seven million, seventeen thousand, one hundred fifty-six".