6161610 has 128 divisors (see below), whose sum is σ = 18998784. Its totient is φ = 1244160.

The previous prime is 6161609. The next prime is 6161629. The reversal of 6161610 is 161616.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100980 + ... + 101040.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

Almost surely, 2^6161610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6161610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9499392).

6161610 is an abundant number, since it is smaller than the sum of its proper divisors (12837174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6161610 is a wasteful number, since it uses less digits than its factorization.

6161610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 6161610 is about 2482.2590517510. The cubic root of 6161610 is about 183.3290981574.

The spelling of 6161610 in words is "six million, one hundred sixty-one thousand, six hundred ten".