464550641051661 has 48 divisors (see below), whose sum is σ = 692504029780992. Its totient is φ = 299958765724800.

The previous prime is 464550641051597. The next prime is 464550641051663. The reversal of 464550641051661 is 166150146055464.

464550641051661 is a `hidden beast` number, since 4 + 6 + 4 + 5 + 5 + 0 + 64 + 1 + 0 + 516 + 61 = 666.

It is not a de Polignac number, because 464550641051661 - 2⁶ = 464550641051597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 464550641051598 and 464550641051607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464550641051663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7526650 + ... + 31396683.

It is an arithmetic number, because the mean of its divisors is an integer number (14427167287104).

Almost surely, 2^{464550641051661} is an apocalyptic number.

It is an amenable number.

464550641051661 is a deficient number, since it is larger than the sum of its proper divisors (227953388729331).

464550641051661 is a wasteful number, since it uses less digits than its factorization.

464550641051661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38923714 (or 38923711 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 54.

The spelling of 464550641051661 in words is "four hundred sixty-four trillion, five hundred fifty billion, six hundred forty-one million, fifty-one thousand, six hundred sixty-one".