354711666816 has 96 divisors (see below), whose sum is σ = 1099236722220. Its totient is φ = 109142046720.

The previous prime is 354711666811. The next prime is 354711666847. The reversal of 354711666816 is 618666117453.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 342337329216 + 12374337600 = 585096^2 + 111240^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (354711666811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11827695 + ... + 11857646.

Almost surely, 2^354711666816 is an apocalyptic number.

354711666816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

354711666816 is an abundant number, since it is smaller than the sum of its proper divisors (744525055404).

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

354711666816 is a wasteful number, since it uses less digits than its factorization.

354711666816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23685374 (or 23685359 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 354711666816 in words is "three hundred fifty-four billion, seven hundred eleven million, six hundred sixty-six thousand, eight hundred sixteen".