6161320523 has 24 divisors (see below), whose sum is σ = 6904255968. Its totient is φ = 5468931072.

The previous prime is 6161320519. The next prime is 6161320547. The reversal of 6161320523 is 3250231616.

It is not a de Polignac number, because 6161320523 - 2² = 6161320519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6161320423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2082161 + ... + 2085117.

It is an arithmetic number, because the mean of its divisors is an integer number (287677332).

Almost surely, 2^6161320523 is an apocalyptic number.

6161320523 is a deficient number, since it is larger than the sum of its proper divisors (742935445).

6161320523 is a wasteful number, since it uses less digits than its factorization.

6161320523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143 (or 3070 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 6161320523 is about 78494.0795410711. The cubic root of 6161320523 is about 1833.2622713356.

The spelling of 6161320523 in words is "six billion, one hundred sixty-one million, three hundred twenty thousand, five hundred twenty-three".