375407575661 has 8 divisors (see below), whose sum is σ = 391735776960. Its totient is φ = 359079885472.

The previous prime is 375407575633. The next prime is 375407575667. The reversal of 375407575661 is 166575704573.

It is a happy number.

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 375407575661 - 2¹⁰ = 375407574637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 375407575597 and 375407575606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (375407575667) 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, 2840825 + ... + 2970033.

It is an arithmetic number, because the mean of its divisors is an integer number (48966972120).

Almost surely, 2^375407575661 is an apocalyptic number.

It is an amenable number.

375407575661 is a deficient number, since it is larger than the sum of its proper divisors (16328201299).

375407575661 is a wasteful number, since it uses less digits than its factorization.

375407575661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255555.

The product of its (nonzero) digits is 18522000, while the sum is 56.

The spelling of 375407575661 in words is "three hundred seventy-five billion, four hundred seven million, five hundred seventy-five thousand, six hundred sixty-one".