6161386 has 16 divisors (see below), whose sum is σ = 11522880. Its totient is φ = 2400480.

The previous prime is 6161383. The next prime is 6161413. The reversal of 6161386 is 6831616.

6161386 = 244² + 245² + ... + 320².

6161386 is a modest number, since divided by 1386 gives 616 as remainder.

It is not an unprimeable number, because it can be changed into a prime (6161383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19851 + ... + 20158.

It is an arithmetic number, because the mean of its divisors is an integer number (720180).

Almost surely, 2^6161386 is an apocalyptic number.

6161386 is a deficient number, since it is larger than the sum of its proper divisors (5361494).

6161386 is a wasteful number, since it uses less digits than its factorization.

6161386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40029.

The product of its digits is 5184, while the sum is 31.

The square root of 6161386 is about 2482.2139311510. The cubic root of 6161386 is about 183.3268765403.

It can be divided in two parts, 616 and 1386, that multiplied together give a square (853776 = 924²).

The spelling of 6161386 in words is "six million, one hundred sixty-one thousand, three hundred eighty-six".