349166651 has 2 divisors, whose sum is σ = 349166652. Its totient is φ = 349166650.

The previous prime is 349166563. The next prime is 349166659. The reversal of 349166651 is 156661943.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349166651 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 349166599 and 349166608.

It is not a weakly prime, because it can be changed into another prime (349166659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174583325 + 174583326.

It is an arithmetic number, because the mean of its divisors is an integer number (174583326).

Almost surely, 2^349166651 is an apocalyptic number.

349166651 is a deficient number, since it is larger than the sum of its proper divisors (1).

349166651 is an equidigital number, since it uses as much as digits as its factorization.

349166651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 349166651 is about 18686.0014716900. The cubic root of 349166651 is about 704.1701087671.

The spelling of 349166651 in words is "three hundred forty-nine million, one hundred sixty-six thousand, six hundred fifty-one".