5348151661 has 4 divisors (see below), whose sum is σ = 5356243324. Its totient is φ = 5340060000.

The previous prime is 5348151649. The next prime is 5348151671. The reversal of 5348151661 is 1661518435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1661518435 = 5 ⋅332303687.

It can be written as a sum of positive squares in 2 ways, for example, as 4488196036 + 859955625 = 66994^2 + 29325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5348151661 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 (5348151631) 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, 4044840 + ... + 4046161.

It is an arithmetic number, because the mean of its divisors is an integer number (1339060831).

Almost surely, 2^5348151661 is an apocalyptic number.

It is an amenable number.

5348151661 is a deficient number, since it is larger than the sum of its proper divisors (8091663).

5348151661 is an equidigital number, since it uses as much as digits as its factorization.

5348151661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8091662.

The product of its digits is 86400, while the sum is 40.

The square root of 5348151661 is about 73131.0581148666. The cubic root of 5348151661 is about 1748.7775583584. Note that the first 3 decimals are identical.

The spelling of 5348151661 in words is "five billion, three hundred forty-eight million, one hundred fifty-one thousand, six hundred sixty-one".