353665965966 has 16 divisors (see below), whose sum is σ = 711420557904. Its totient is φ = 117207217664.

The previous prime is 353665965949. The next prime is 353665965997. The reversal of 353665965966 is 669569566353.

It is a self number, because there is not a number n which added to its sum of digits gives 353665965966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170358291 + ... + 170360366.

It is an arithmetic number, because the mean of its divisors is an integer number (44463784869).

Almost surely, 2^353665965966 is an apocalyptic number.

353665965966 is an abundant number, since it is smaller than the sum of its proper divisors (357754591938).

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

353665965966 is a wasteful number, since it uses less digits than its factorization.

353665965966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340718835.

The product of its digits is 708588000, while the sum is 69.

The spelling of 353665965966 in words is "three hundred fifty-three billion, six hundred sixty-five million, nine hundred sixty-five thousand, nine hundred sixty-six".