6550661010 has 16 divisors (see below), whose sum is σ = 15721586496. Its totient is φ = 1746842928.

The previous prime is 6550661009. The next prime is 6550661071. The reversal of 6550661010 is 101660556.

It is a super-2 number, since 2×6550661010² = 85822319335868440200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 218355367 = 6550661010 / (6 + 5 + 5 + 0 + 6 + 6 + 1 + 0 + 1 + 0).

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, 109177654 + ... + 109177713.

It is an arithmetic number, because the mean of its divisors is an integer number (982599156).

Almost surely, 2^6550661010 is an apocalyptic number.

6550661010 is an abundant number, since it is smaller than the sum of its proper divisors (9170925486).

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

6550661010 is a wasteful number, since it uses less digits than its factorization.

6550661010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218355377.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 6550661010 is about 80936.1539115864. The cubic root of 6550661010 is about 1871.0915691283.

The spelling of 6550661010 in words is "six billion, five hundred fifty million, six hundred sixty-one thousand, ten".