6551001651 has 8 divisors (see below), whose sum is σ = 8735656384. Its totient is φ = 4366840680.

The previous prime is 6551001643. The next prime is 6551001679. The reversal of 6551001651 is 1561001556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6551001651 - 2³ = 6551001643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6551001641) 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, 91285 + ... + 146406.

It is an arithmetic number, because the mean of its divisors is an integer number (1091957048).

Almost surely, 2^6551001651 is an apocalyptic number.

6551001651 is a deficient number, since it is larger than the sum of its proper divisors (2184654733).

6551001651 is a wasteful number, since it uses less digits than its factorization.

6551001651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246881.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 6551001651 is about 80938.2582651740. The cubic root of 6551001651 is about 1871.1240014510.

The spelling of 6551001651 in words is "six billion, five hundred fifty-one million, one thousand, six hundred fifty-one".