6161061061 has 4 divisors (see below), whose sum is σ = 6262062124. Its totient is φ = 6060060000.

The previous prime is 6161061059. The next prime is 6161061073. The reversal of 6161061061 is 1601601616.

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 1914062500 + 4246998561 = 43750^2 + 65169^2 .

It is a cyclic number.

It is not a de Polignac number, because 6161061061 - 2¹ = 6161061059 is a prime.

It is a Duffinian number.

6161061061 is a modest number, since divided by 61061 gives 6161 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6161061461) 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, 50500440 + ... + 50500561.

It is an arithmetic number, because the mean of its divisors is an integer number (1565515531).

Almost surely, 2^6161061061 is an apocalyptic number.

6161061061 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6161061061 is a deficient number, since it is larger than the sum of its proper divisors (101001063).

6161061061 is a wasteful number, since it uses less digits than its factorization.

6161061061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101001062.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 6161061061 is about 78492.4267748169. The cubic root of 6161061061 is about 1833.2365372109.

Adding to 6161061061 its reverse (1601601616), we get a palindrome (7762662677).

The spelling of 6161061061 in words is "six billion, one hundred sixty-one million, sixty-one thousand, sixty-one".