6161142513 has 4 divisors (see below), whose sum is σ = 8214856688. Its totient is φ = 4107428340.

The previous prime is 6161142509. The next prime is 6161142599. The reversal of 6161142513 is 3152411616.

It is a happy number.

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.

It is not a de Polignac number, because 6161142513 - 2² = 6161142509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6161142413) 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, 1026857083 + ... + 1026857088.

It is an arithmetic number, because the mean of its divisors is an integer number (2053714172).

Almost surely, 2^6161142513 is an apocalyptic number.

It is an amenable number.

6161142513 is a deficient number, since it is larger than the sum of its proper divisors (2053714175).

6161142513 is a wasteful number, since it uses less digits than its factorization.

6161142513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053714174.

The product of its digits is 4320, while the sum is 30.

The square root of 6161142513 is about 78492.9456257058. The cubic root of 6161142513 is about 1833.2446159126.

The spelling of 6161142513 in words is "six billion, one hundred sixty-one million, one hundred forty-two thousand, five hundred thirteen".