9167641938 has 96 divisors (see below), whose sum is σ = 25211836800. Its totient is φ = 2417822784.

The previous prime is 9167641937. The next prime is 9167642009. The reversal of 9167641938 is 8391467619.

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 (9167641937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7873 + ... + 135636.

It is an arithmetic number, because the mean of its divisors is an integer number (262623300).

Almost surely, 2^9167641938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9167641938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12605918400).

9167641938 is an abundant number, since it is smaller than the sum of its proper divisors (16044194862).

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

9167641938 is a wasteful number, since it uses less digits than its factorization.

9167641938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143553 (or 143534 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 9167641938 is about 95747.8038285996. The cubic root of 9167641938 is about 2092.9196116393.

The spelling of 9167641938 in words is "nine billion, one hundred sixty-seven million, six hundred forty-one thousand, nine hundred thirty-eight".