6616998 has 32 divisors (see below), whose sum is σ = 14807520. Its totient is φ = 2190240.

The previous prime is 6616993. The next prime is 6617003. The reversal of 6616998 is 8996166.

It is an interprime number because it is at equal distance from previous prime (6616993) and next prime (6617003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9436 + ... + 10112.

It is an arithmetic number, because the mean of its divisors is an integer number (462735).

Almost surely, 2^6616998 is an apocalyptic number.

6616998 is an abundant number, since it is smaller than the sum of its proper divisors (8190522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6616998 is a wasteful number, since it uses less digits than its factorization.

6616998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 863 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 6616998 is about 2572.3526196849. The cubic root of 6616998 is about 187.7386401425.

The spelling of 6616998 in words is "six million, six hundred sixteen thousand, nine hundred ninety-eight".