354000301661 has 2 divisors, whose sum is σ = 354000301662. Its totient is φ = 354000301660.

The previous prime is 354000301657. The next prime is 354000301679. The reversal of 354000301661 is 166103000453.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325983902500 + 28016399161 = 570950^2 + 167381^2 .

It is a cyclic number.

It is not a de Polignac number, because 354000301661 - 2² = 354000301657 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354000301621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177000150830 + 177000150831.

It is an arithmetic number, because the mean of its divisors is an integer number (177000150831).

Almost surely, 2^354000301661 is an apocalyptic number.

It is an amenable number.

354000301661 is a deficient number, since it is larger than the sum of its proper divisors (1).

354000301661 is an equidigital number, since it uses as much as digits as its factorization.

354000301661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 354000301661 in words is "three hundred fifty-four billion, three hundred one thousand, six hundred sixty-one".