61045116 has 96 divisors (see below), whose sum is σ = 165473280. Its totient is φ = 17337600.

The previous prime is 61045111. The next prime is 61045121. The reversal of 61045116 is 61154016.

It is an interprime number because it is at equal distance from previous prime (61045111) and next prime (61045121).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61045111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141421 + ... + 141851.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^61045116 is an apocalyptic number.

61045116 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61045116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82736640).

61045116 is an abundant number, since it is smaller than the sum of its proper divisors (104428164).

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

61045116 is a wasteful number, since it uses less digits than its factorization.

61045116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 61045116 is about 7813.1373979983. The cubic root of 61045116 is about 393.7467430318.

Subtracting 61045116 from its reverse (61154016), we obtain a square (108900 = 330²).

The spelling of 61045116 in words is "sixty-one million, forty-five thousand, one hundred sixteen".