6161590 has 16 divisors (see below), whose sum is σ = 11124288. Its totient is φ = 2457216.

The previous prime is 6161581. The next prime is 6161609. The reversal of 6161590 is 951616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3619 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (695268).

Almost surely, 2^6161590 is an apocalyptic number.

6161590 is a deficient number, since it is larger than the sum of its proper divisors (4962698).

6161590 is a wasteful number, since it uses less digits than its factorization.

6161590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 6161590 is about 2482.2550231594. The cubic root of 6161590 is about 183.3288998010.

It can be divided in two parts, 6 and 161590, that added together give a triangular number (161596 = T₅₆₈).

The spelling of 6161590 in words is "six million, one hundred sixty-one thousand, five hundred ninety".