61816104 has 48 divisors (see below), whose sum is σ = 191337120. Its totient is φ = 17661600.

The previous prime is 61816103. The next prime is 61816109. The reversal of 61816104 is 40161816.

It is not an unprimeable number, because it can be changed into a prime (61816103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60822 + ... + 61829.

It is an arithmetic number, because the mean of its divisors is an integer number (3986190).

Almost surely, 2^61816104 is an apocalyptic number.

It is an amenable number.

61816104 is an abundant number, since it is smaller than the sum of its proper divisors (129521016).

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

61816104 is a wasteful number, since it uses less digits than its factorization.

61816104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122670 (or 122663 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 61816104 is about 7862.3217944828. The cubic root of 61816104 is about 395.3974613816.

The spelling of 61816104 in words is "sixty-one million, eight hundred sixteen thousand, one hundred four".