61116912 has 30 divisors (see below), whose sum is σ = 171042872. Its totient is φ = 20372256.

The previous prime is 61116907. The next prime is 61116919. The reversal of 61116912 is 21961116.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61116919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212068 + ... + 212355.

Almost surely, 2^61116912 is an apocalyptic number.

It is an amenable number.

61116912 is an abundant number, since it is smaller than the sum of its proper divisors (109925960).

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

61116912 is a wasteful number, since it uses less digits than its factorization.

61116912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424437 (or 424428 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 61116912 is about 7817.7306170013. The cubic root of 61116912 is about 393.9010462071.

The spelling of 61116912 in words is "sixty-one million, one hundred sixteen thousand, nine hundred twelve".