355966421406 has 16 divisors (see below), whose sum is σ = 712128633744. Its totient is φ = 118622841984.

The previous prime is 355966421389. The next prime is 355966421407. The reversal of 355966421406 is 604124669553.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355966421407) 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, 8134315 + ... + 8177958.

It is an arithmetic number, because the mean of its divisors is an integer number (44508039609).

Almost surely, 2^355966421406 is an apocalyptic number.

355966421406 is an abundant number, since it is smaller than the sum of its proper divisors (356162212338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

355966421406 is a wasteful number, since it uses less digits than its factorization.

355966421406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16315915.

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 355966421406 in words is "three hundred fifty-five billion, nine hundred sixty-six million, four hundred twenty-one thousand, four hundred six".