5465201661 has 12 divisors (see below), whose sum is σ = 8107536892. Its totient is φ = 3544995456.

The previous prime is 5465201569. The next prime is 5465201663. The reversal of 5465201661 is 1661025645.

5465201661 is a `hidden beast` number, since 546 + 52 + 0 + 1 + 6 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5193940761 + 271260900 = 72069^2 + 16470^2 .

It is not a de Polignac number, because 5465201661 - 2¹⁴ = 5465185277 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 (5465201663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8205676 + ... + 8206341.

Almost surely, 2^5465201661 is an apocalyptic number.

It is an amenable number.

5465201661 is a deficient number, since it is larger than the sum of its proper divisors (2642335231).

5465201661 is a wasteful number, since it uses less digits than its factorization.

5465201661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16412060 (or 16412057 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 5465201661 is about 73927.0022454583. The cubic root of 5465201661 is about 1761.4435536414.

The spelling of 5465201661 in words is "five billion, four hundred sixty-five million, two hundred one thousand, six hundred sixty-one".