6610546651 has 4 divisors (see below), whose sum is σ = 6789210112. Its totient is φ = 6431883192.

The previous prime is 6610546639. The next prime is 6610546673. The reversal of 6610546651 is 1566450166.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1566450166 = 2 ⋅783225083.

It is a cyclic number.

It is not a de Polignac number, because 6610546651 - 2⁵ = 6610546619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6610546601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89331675 + ... + 89331748.

It is an arithmetic number, because the mean of its divisors is an integer number (1697302528).

Almost surely, 2^6610546651 is an apocalyptic number.

6610546651 is a deficient number, since it is larger than the sum of its proper divisors (178663461).

6610546651 is a wasteful number, since it uses less digits than its factorization.

6610546651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178663460.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 6610546651 is about 81305.2682856406. The cubic root of 6610546651 is about 1876.7760736413.

The spelling of 6610546651 in words is "six billion, six hundred ten million, five hundred forty-six thousand, six hundred fifty-one".