6651098 has 4 divisors (see below), whose sum is σ = 9976650. Its totient is φ = 3325548.

The previous prime is 6651091. The next prime is 6651101. The reversal of 6651098 is 8901566.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6165289 + 485809 = 2483^2 + 697^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6651091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1662773 + ... + 1662776.

Almost surely, 2^6651098 is an apocalyptic number.

6651098 is a deficient number, since it is larger than the sum of its proper divisors (3325552).

6651098 is a wasteful number, since it uses less digits than its factorization.

6651098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325551.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 6651098 is about 2578.9722759270. The cubic root of 6651098 is about 188.0605848197.

The spelling of 6651098 in words is "six million, six hundred fifty-one thousand, ninety-eight".