515146161 has 8 divisors (see below), whose sum is σ = 690117664. Its totient is φ = 341802720.

The previous prime is 515146147. The next prime is 515146187. The reversal of 515146161 is 161641515.

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

It is not a de Polignac number, because 515146161 - 2⁵ = 515146129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (515146141) 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, 406276 + ... + 407541.

It is an arithmetic number, because the mean of its divisors is an integer number (86264708).

Almost surely, 2^515146161 is an apocalyptic number.

It is an amenable number.

515146161 is a deficient number, since it is larger than the sum of its proper divisors (174971503).

515146161 is a wasteful number, since it uses less digits than its factorization.

515146161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814031.

The product of its digits is 3600, while the sum is 30.

The square root of 515146161 is about 22696.8315189588. The cubic root of 515146161 is about 801.6352805651.

Adding to 515146161 its reverse (161641515), we get a palindrome (676787676).

It can be divided in two parts, 51514 and 6161, that added together give a palindrome (57675).

The spelling of 515146161 in words is "five hundred fifteen million, one hundred forty-six thousand, one hundred sixty-one".