4651086561 has 16 divisors (see below), whose sum is σ = 6766752960. Its totient is φ = 2818200320.

The previous prime is 4651086509. The next prime is 4651086577. The reversal of 4651086561 is 1656801564.

It is a cyclic number.

It is not a de Polignac number, because 4651086561 - 2¹⁵ = 4651053793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4651086061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160645 + ... + 187373.

It is an arithmetic number, because the mean of its divisors is an integer number (422922060).

Almost surely, 2^4651086561 is an apocalyptic number.

It is an amenable number.

4651086561 is a deficient number, since it is larger than the sum of its proper divisors (2115666399).

4651086561 is a wasteful number, since it uses less digits than its factorization.

4651086561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32016.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 4651086561 is about 68198.8750713676. The cubic root of 4651086561 is about 1669.2375307867.

The spelling of 4651086561 in words is "four billion, six hundred fifty-one million, eighty-six thousand, five hundred sixty-one".