7149168 has 160 divisors (see below), whose sum is σ = 23609600. Its totient is φ = 2052864.

The previous prime is 7149161. The next prime is 7149193. The reversal of 7149168 is 8619417.

It is a super-2 number, since 2×7149168² = 102221206184448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7149161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106671 + ... + 106737.

It is an arithmetic number, because the mean of its divisors is an integer number (147560).

Almost surely, 2^7149168 is an apocalyptic number.

7149168 is a gapful number since it is divisible by the number (78) 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 7149168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11804800).

7149168 is an abundant number, since it is smaller than the sum of its proper divisors (16460432).

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

7149168 is a wasteful number, since it uses less digits than its factorization.

7149168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 104 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 7149168 is about 2673.7928117190. The cubic root of 7149168 is about 192.6423796261.

The spelling of 7149168 in words is "seven million, one hundred forty-nine thousand, one hundred sixty-eight".