343354401661 has 8 divisors (see below), whose sum is σ = 349841721600. Its totient is φ = 336867412752.

The previous prime is 343354401659. The next prime is 343354401683. The reversal of 343354401661 is 166104453343.

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

It is a cyclic number.

It is not a de Polignac number, because 343354401661 - 2¹ = 343354401659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343354402661) 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, 3319816 + ... + 3421678.

It is an arithmetic number, because the mean of its divisors is an integer number (43730215200).

Almost surely, 2^343354401661 is an apocalyptic number.

It is an amenable number.

343354401661 is a deficient number, since it is larger than the sum of its proper divisors (6487319939).

343354401661 is a wasteful number, since it uses less digits than its factorization.

343354401661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165515.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 343354401661 in words is "three hundred forty-three billion, three hundred fifty-four million, four hundred one thousand, six hundred sixty-one".