6650649098 has 16 divisors (see below), whose sum is σ = 10001028480. Its totient is φ = 3316983696.

The previous prime is 6650649091. The next prime is 6650649113. The reversal of 6650649098 is 8909460566.

It is a super-2 number, since 2×6650649098² = 88462266849456427208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6650649091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2302211 + ... + 2305097.

It is an arithmetic number, because the mean of its divisors is an integer number (625064280).

Almost surely, 2^6650649098 is an apocalyptic number.

6650649098 is a deficient number, since it is larger than the sum of its proper divisors (3350379382).

6650649098 is a wasteful number, since it uses less digits than its factorization.

6650649098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The square root of 6650649098 is about 81551.5119295774. The cubic root of 6650649098 is about 1880.5635380543.

The spelling of 6650649098 in words is "six billion, six hundred fifty million, six hundred forty-nine thousand, ninety-eight".