6662662 has 4 divisors (see below), whose sum is σ = 9993996. Its totient is φ = 3331330.

The previous prime is 6662651. The next prime is 6662671. The reversal of 6662662 is 2662666.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2662666 = 2 ⋅1331333.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665664 + ... + 1665667.

It is an arithmetic number, because the mean of its divisors is an integer number (2498499).

Almost surely, 2^6662662 is an apocalyptic number.

6662662 is a deficient number, since it is larger than the sum of its proper divisors (3331334).

6662662 is a wasteful number, since it uses less digits than its factorization.

6662662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331333.

The product of its digits is 31104, while the sum is 34.

The square root of 6662662 is about 2581.2132806105. The cubic root of 6662662 is about 188.1695128717.

The spelling of 6662662 in words is "six million, six hundred sixty-two thousand, six hundred sixty-two".