393401105161 has 4 divisors (see below), whose sum is σ = 406091463424. Its totient is φ = 380710746900.

The previous prime is 393401105129. The next prime is 393401105197. The reversal of 393401105161 is 161501104393.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161501104393 = 11069 ⋅14590397.

It is a cyclic number.

It is not a de Polignac number, because 393401105161 - 2⁵ = 393401105129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (393401105261) 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, 6345179085 + ... + 6345179146.

It is an arithmetic number, because the mean of its divisors is an integer number (101522865856).

Almost surely, 2^393401105161 is an apocalyptic number.

393401105161 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

393401105161 is a deficient number, since it is larger than the sum of its proper divisors (12690358263).

393401105161 is a wasteful number, since it uses less digits than its factorization.

393401105161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12690358262.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 393401105161 in words is "three hundred ninety-three billion, four hundred one million, one hundred five thousand, one hundred sixty-one".