61089116 has 24 divisors (see below), whose sum is σ = 116847360. Its totient is φ = 27714800.

The previous prime is 61089113. The next prime is 61089137. The reversal of 61089116 is 61198016.

It is a super-2 number, since 2×61089116² = 7463760187322912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61089113) 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, 30671 + ... + 32601.

It is an arithmetic number, because the mean of its divisors is an integer number (4868640).

Almost surely, 2^61089116 is an apocalyptic number.

It is an amenable number.

61089116 is a deficient number, since it is larger than the sum of its proper divisors (55758244).

61089116 is a wasteful number, since it uses less digits than its factorization.

61089116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665 (or 2663 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 61089116 is about 7815.9526610644. The cubic root of 61089116 is about 393.8413216922.

Subtracting 61089116 from its reverse (61198016), we obtain a square (108900 = 330²).

The spelling of 61089116 in words is "sixty-one million, eighty-nine thousand, one hundred sixteen".