383617958161 has 5 divisors (see below), whose sum is σ = 384106021721. Its totient is φ = 383130514758.

The previous prime is 383617958123. The next prime is 383617958183. The reversal of 383617958161 is 161859716383.

It is a happy number.

The square root of 383617958161 is 619369.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

It is not a de Polignac number, because 383617958161 - 2⁹ = 383617957649 is a prime.

It is a super-2 number, since 2×383617958161² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 383617958096 and 383617958105.

It is not an unprimeable number, because it can be changed into a prime (383617958261) by changing a digit.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 487443010 + ... + 487443796.

Almost surely, 2^383617958161 is an apocalyptic number.

383617958161 is the 619369-th square number.

383617958161 is the 309685-th centered octagonal number.

It is an amenable number.

383617958161 is a deficient number, since it is larger than the sum of its proper divisors (488063560).

383617958161 is an frugal number, since it uses more digits than its factorization.

383617958161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148 (or 787 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The spelling of 383617958161 in words is "three hundred eighty-three billion, six hundred seventeen million, nine hundred fifty-eight thousand, one hundred sixty-one".