660375373 has 4 divisors (see below), whose sum is σ = 754714720. Its totient is φ = 566036028.

The previous prime is 660375341. The next prime is 660375407. The reversal of 660375373 is 373573066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 660375373 - 2⁵ = 660375341 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 (660375973) 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, 47169663 + ... + 47169676.

It is an arithmetic number, because the mean of its divisors is an integer number (188678680).

Almost surely, 2^660375373 is an apocalyptic number.

It is an amenable number.

660375373 is a deficient number, since it is larger than the sum of its proper divisors (94339347).

660375373 is an equidigital number, since it uses as much as digits as its factorization.

660375373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94339346.

The product of its (nonzero) digits is 238140, while the sum is 40.

The square root of 660375373 is about 25697.7698059579. The cubic root of 660375373 is about 870.8237993467.

The spelling of 660375373 in words is "six hundred sixty million, three hundred seventy-five thousand, three hundred seventy-three".