1748313661 has 8 divisors (see below), whose sum is σ = 1786147200. Its totient is φ = 1710506688.

The previous prime is 1748313649. The next prime is 1748313673. The reversal of 1748313661 is 1663138471.

It is an interprime number because it is at equal distance from previous prime (1748313649) and next prime (1748313673).

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

It is a cyclic number.

It is not a de Polignac number, because 1748313661 - 2⁵ = 1748313629 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 (1748313601) 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, 185710 + ... + 194896.

It is an arithmetic number, because the mean of its divisors is an integer number (223268400).

Almost surely, 2^1748313661 is an apocalyptic number.

It is an amenable number.

1748313661 is a deficient number, since it is larger than the sum of its proper divisors (37833539).

1748313661 is an equidigital number, since it uses as much as digits as its factorization.

1748313661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13283.

The product of its digits is 72576, while the sum is 40.

The square root of 1748313661 is about 41812.8408625867. The cubic root of 1748313661 is about 1204.6839298892.

The spelling of 1748313661 in words is "one billion, seven hundred forty-eight million, three hundred thirteen thousand, six hundred sixty-one".