368352428176561 has 4 divisors (see below), whose sum is σ = 368352655060212. Its totient is φ = 368352201292912.

The previous prime is 368352428176559. The next prime is 368352428176813. The reversal of 368352428176561 is 165671824253863.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78144167926561 + 290208260250000 = 8839919^2 + 17035500^2 .

It is a cyclic number.

It is not a de Polignac number, because 368352428176561 - 2¹ = 368352428176559 is a prime.

It is a super-2 number, since 2×368352428176561² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (368352428176261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110988850 + ... + 114259483.

It is an arithmetic number, because the mean of its divisors is an integer number (92088163765053).

Almost surely, 2^{368352428176561} is an apocalyptic number.

It is an amenable number.

368352428176561 is a deficient number, since it is larger than the sum of its proper divisors (226883651).

368352428176561 is a wasteful number, since it uses less digits than its factorization.

368352428176561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226883650.

The product of its digits is 348364800, while the sum is 67.

The spelling of 368352428176561 in words is "three hundred sixty-eight trillion, three hundred fifty-two billion, four hundred twenty-eight million, one hundred seventy-six thousand, five hundred sixty-one".