6662145 has 32 divisors (see below), whose sum is σ = 12377088. Its totient is φ = 2996928.

The previous prime is 6662137. The next prime is 6662171. The reversal of 6662145 is 5412666.

It is not a de Polignac number, because 6662145 - 2³ = 6662137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6562 + ... + 7508.

It is an arithmetic number, because the mean of its divisors is an integer number (386784).

Almost surely, 2^6662145 is an apocalyptic number.

It is an amenable number.

6662145 is a deficient number, since it is larger than the sum of its proper divisors (5714943).

6662145 is a wasteful number, since it uses less digits than its factorization.

6662145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029.

The product of its digits is 8640, while the sum is 30.

The square root of 6662145 is about 2581.1131319646. The cubic root of 6662145 is about 188.1646456402.

It can be divided in two parts, 66621 and 45, that added together give a palindrome (66666).

The spelling of 6662145 in words is "six million, six hundred sixty-two thousand, one hundred forty-five".