6663410 has 16 divisors (see below), whose sum is σ = 12917016. Its totient is φ = 2460288.

The previous prime is 6663407. The next prime is 6663431. The reversal of 6663410 is 143666.

It can be written as a sum of positive squares in 4 ways, for example, as 2505889 + 4157521 = 1583^2 + 2039^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 6663410.

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, 25499 + ... + 25758.

Almost surely, 2^6663410 is an apocalyptic number.

6663410 is a deficient number, since it is larger than the sum of its proper divisors (6253606).

6663410 is a wasteful number, since it uses less digits than its factorization.

6663410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51277.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 6663410 is about 2581.3581696464. The cubic root of 6663410 is about 188.1765543779.

The spelling of 6663410 in words is "six million, six hundred sixty-three thousand, four hundred ten".