6161857 has 16 divisors (see below), whose sum is σ = 6928768. Its totient is φ = 5443200.

The previous prime is 6161819. The next prime is 6161873. The reversal of 6161857 is 7581616.

It is a cyclic number.

It is not a de Polignac number, because 6161857 - 2¹⁵ = 6129089 is a prime.

It is a Duffinian number.

Its product of digits (10080) is a multiple of the sum of its prime divisors (280).

6161857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6161257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40732 + ... + 40882.

It is an arithmetic number, because the mean of its divisors is an integer number (433048).

Almost surely, 2^6161857 is an apocalyptic number.

It is an amenable number.

6161857 is a deficient number, since it is larger than the sum of its proper divisors (766911).

6161857 is a wasteful number, since it uses less digits than its factorization.

6161857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 10080, while the sum is 34.

The square root of 6161857 is about 2482.3088043191. The cubic root of 6161857 is about 183.3315478247.

The spelling of 6161857 in words is "six million, one hundred sixty-one thousand, eight hundred fifty-seven".