354216663760 has 80 divisors (see below), whose sum is σ = 827021352960. Its totient is φ = 141090647040.

The previous prime is 354216663709. The next prime is 354216663809. The reversal of 354216663760 is 67366612453.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×354216663760³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64365169 + ... + 64370671.

It is an arithmetic number, because the mean of its divisors is an integer number (10337766912).

Almost surely, 2^354216663760 is an apocalyptic number.

It is an amenable number.

354216663760 is an abundant number, since it is smaller than the sum of its proper divisors (472804689200).

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

354216663760 is a wasteful number, since it uses less digits than its factorization.

354216663760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8756 (or 8750 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 354216663760 in words is "three hundred fifty-four billion, two hundred sixteen million, six hundred sixty-three thousand, seven hundred sixty".