6551151690 has 16 divisors (see below), whose sum is σ = 15722764128. Its totient is φ = 1746973776.

The previous prime is 6551151679. The next prime is 6551151703. The reversal of 6551151690 is 961511556.

It is a super-2 number, since 2×6551151690² = 85835176930779712200, which contains 22 as substring.

It is a Curzon 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, 109185832 + ... + 109185891.

It is an arithmetic number, because the mean of its divisors is an integer number (982672758).

Almost surely, 2^6551151690 is an apocalyptic number.

6551151690 is an abundant number, since it is smaller than the sum of its proper divisors (9171612438).

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

6551151690 is a wasteful number, since it uses less digits than its factorization.

6551151690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218371733.

The product of its (nonzero) digits is 40500, while the sum is 39.

The square root of 6551151690 is about 80939.1851330368. The cubic root of 6551151690 is about 1871.1382862605.

The spelling of 6551151690 in words is "six billion, five hundred fifty-one million, one hundred fifty-one thousand, six hundred ninety".