351666837 has 12 divisors (see below), whose sum is σ = 509761824. Its totient is φ = 233614440.

The previous prime is 351666829. The next prime is 351666851. The reversal of 351666837 is 738666153.

It is not a de Polignac number, because 351666837 - 2³ = 351666829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 351666792 and 351666801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351667837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66489 + ... + 71582.

It is an arithmetic number, because the mean of its divisors is an integer number (42480152).

Almost surely, 2^351666837 is an apocalyptic number.

It is an amenable number.

351666837 is a deficient number, since it is larger than the sum of its proper divisors (158094987).

351666837 is a wasteful number, since it uses less digits than its factorization.

351666837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138360 (or 138357 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 351666837 is about 18752.7821135958. The cubic root of 351666837 is about 705.8468351112.

The spelling of 351666837 in words is "three hundred fifty-one million, six hundred sixty-six thousand, eight hundred thirty-seven".