6161864 has 8 divisors (see below), whose sum is σ = 11553510. Its totient is φ = 3080928.

The previous prime is 6161819. The next prime is 6161873. The reversal of 6161864 is 4681616.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5244100 + 917764 = 2290^2 + 958^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 6161864.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385109 + ... + 385124.

Almost surely, 2^6161864 is an apocalyptic number.

It is an amenable number.

6161864 is a deficient number, since it is larger than the sum of its proper divisors (5391646).

6161864 is a wasteful number, since it uses less digits than its factorization.

6161864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770239 (or 770235 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 6161864 is about 2482.3102142964. The cubic root of 6161864 is about 183.3316172475.

The spelling of 6161864 in words is "six million, one hundred sixty-one thousand, eight hundred sixty-four".