61040116 has 24 divisors (see below), whose sum is σ = 111525120. Its totient is φ = 29198400.

The previous prime is 61040113. The next prime is 61040117. The reversal of 61040116 is 61104016.

It is a happy number.

It is a super-2 number, since 2×61040116² = 7451791522586912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61040093 and 61040102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61040113) 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, 8271 + ... + 13801.

It is an arithmetic number, because the mean of its divisors is an integer number (4646880).

Almost surely, 2^61040116 is an apocalyptic number.

It is an amenable number.

61040116 is a deficient number, since it is larger than the sum of its proper divisors (50485004).

61040116 is a wasteful number, since it uses less digits than its factorization.

61040116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655 (or 5653 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 61040116 is about 7812.8174175518. The cubic root of 61040116 is about 393.7359925814.

The spelling of 61040116 in words is "sixty-one million, forty thousand, one hundred sixteen".