5463001661 has 8 divisors (see below), whose sum is σ = 5886088824. Its totient is φ = 5040322560.

The previous prime is 5463001639. The next prime is 5463001703. The reversal of 5463001661 is 1661003645.

It can be written as a sum of positive squares in 4 ways, for example, as 520068025 + 4942933636 = 22805^2 + 70306^2 .

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

It is not a de Polignac number, because 5463001661 - 2²² = 5458807357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5463001631) 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, 73916 + ... + 128021.

It is an arithmetic number, because the mean of its divisors is an integer number (735761103).

Almost surely, 2^5463001661 is an apocalyptic number.

It is an amenable number.

5463001661 is a deficient number, since it is larger than the sum of its proper divisors (423087163).

5463001661 is a wasteful number, since it uses less digits than its factorization.

5463001661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204031.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 5463001661 is about 73912.1212048470. The cubic root of 5463001661 is about 1761.2071673709.

The spelling of 5463001661 in words is "five billion, four hundred sixty-three million, one thousand, six hundred sixty-one".