93161140 has 24 divisors (see below), whose sum is σ = 198321480. Its totient is φ = 36753408.

The previous prime is 93161129. The next prime is 93161171. The reversal of 93161140 is 4116139.

It can be written as a sum of positive squares in 4 ways, for example, as 36 + 93161104 = 6^2 + 9652^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30445 + ... + 33364.

It is an arithmetic number, because the mean of its divisors is an integer number (8263395).

Almost surely, 2^93161140 is an apocalyptic number.

It is an amenable number.

93161140 is an abundant number, since it is smaller than the sum of its proper divisors (105160340).

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

93161140 is a wasteful number, since it uses less digits than its factorization.

93161140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63891 (or 63889 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 93161140 is about 9652.0018648983. The cubic root of 93161140 is about 453.3270123590.

Adding to 93161140 its reverse (4116139), we get a palindrome (97277279).

The spelling of 93161140 in words is "ninety-three million, one hundred sixty-one thousand, one hundred forty".