351670061 has 8 divisors (see below), whose sum is σ = 356527800. Its totient is φ = 346832640.

The previous prime is 351670051. The next prime is 351670117. The reversal of 351670061 is 160076153.

It can be written as a sum of positive squares in 4 ways, for example, as 2540836 + 349129225 = 1594^2 + 18685^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351670061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351670021) 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, 31571 + ... + 41231.

It is an arithmetic number, because the mean of its divisors is an integer number (44565975).

Almost surely, 2^351670061 is an apocalyptic number.

It is an amenable number.

351670061 is a deficient number, since it is larger than the sum of its proper divisors (4857739).

351670061 is an equidigital number, since it uses as much as digits as its factorization.

351670061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10159.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 351670061 is about 18752.8680739774. The cubic root of 351670061 is about 705.8489921179.

The spelling of 351670061 in words is "three hundred fifty-one million, six hundred seventy thousand, sixty-one".