6618542 has 16 divisors (see below), whose sum is σ = 12013920. Its totient is φ = 2669568.

The previous prime is 6618533. The next prime is 6618551. The reversal of 6618542 is 2458166.

It is an interprime number because it is at equal distance from previous prime (6618533) and next prime (6618551).

It is a junction number, because it is equal to n+sod(n) for n = 6618499 and 6618508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13667 + ... + 14142.

It is an arithmetic number, because the mean of its divisors is an integer number (750870).

Almost surely, 2^6618542 is an apocalyptic number.

6618542 is a deficient number, since it is larger than the sum of its proper divisors (5395378).

6618542 is a wasteful number, since it uses less digits than its factorization.

6618542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27835.

The product of its digits is 11520, while the sum is 32.

The square root of 6618542 is about 2572.6527165554. The cubic root of 6618542 is about 187.7532412208.

The spelling of 6618542 in words is "six million, six hundred eighteen thousand, five hundred forty-two".