7643164 has 24 divisors (see below), whose sum is σ = 14068208. Its totient is φ = 3628800.

The previous prime is 7643161. The next prime is 7643191. The reversal of 7643164 is 4613467.

7643164 = T₄₁₇ + T₄₁₈ + ... + T₄₉₀.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7643161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5764 + ... + 6964.

Almost surely, 2^7643164 is an apocalyptic number.

7643164 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

7643164 is a deficient number, since it is larger than the sum of its proper divisors (6425044).

7643164 is a wasteful number, since it uses less digits than its factorization.

7643164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1283 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 7643164 is about 2764.6272804847. The cubic root of 7643164 is about 196.9810249102.

The spelling of 7643164 in words is "seven million, six hundred forty-three thousand, one hundred sixty-four".