9156381696 has 1056 divisors, whose sum is σ = 37635978240. Its totient is φ = 2141061120.

The previous prime is 9156381643. The next prime is 9156381697. The reversal of 9156381696 is 6961836519.

It is a tau number, because it is divible by the number of its divisors (1056).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (9156381697) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 398103541 + ... + 398103563.

Almost surely, 2^9156381696 is an apocalyptic number.

9156381696 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9156381696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18817989120).

9156381696 is an abundant number, since it is smaller than the sum of its proper divisors (28479596544).

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

9156381696 is a wasteful number, since it uses less digits than its factorization.

9156381696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 63 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 9156381696 is about 95688.9841935842. The cubic root of 9156381696 is about 2092.0623778755.

The spelling of 9156381696 in words is "nine billion, one hundred fifty-six million, three hundred eighty-one thousand, six hundred ninety-six".