351606405026 has 8 divisors (see below), whose sum is σ = 545596145820. Its totient is φ = 169741023088.

The previous prime is 351606404983. The next prime is 351606405049. The reversal of 351606405026 is 620504606153.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 349925487025 + 1680918001 = 591545^2 + 40999^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3031089641 + ... + 3031089756.

Almost surely, 2^351606405026 is an apocalyptic number.

351606405026 is a deficient number, since it is larger than the sum of its proper divisors (193989740794).

351606405026 is a wasteful number, since it uses less digits than its factorization.

351606405026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062179428.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 351606405026 in words is "three hundred fifty-one billion, six hundred six million, four hundred five thousand, twenty-six".