6161840 has 20 divisors (see below), whose sum is σ = 14326464. Its totient is φ = 2464704.

The previous prime is 6161819. The next prime is 6161873. The reversal of 6161840 is 481616.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38432 + ... + 38591.

Almost surely, 2^6161840 is an apocalyptic number.

It is an amenable number.

6161840 is an abundant number, since it is smaller than the sum of its proper divisors (8164624).

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

6161840 is a wasteful number, since it uses less digits than its factorization.

6161840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77036 (or 77030 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 6161840 is about 2482.3053800852. The cubic root of 6161840 is about 183.3313792262.

The spelling of 6161840 in words is "six million, one hundred sixty-one thousand, eight hundred forty".