61106320 has 40 divisors (see below), whose sum is σ = 154990080. Its totient is φ = 22220160.

The previous prime is 61106303. The next prime is 61106321. The reversal of 61106320 is 2360116.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (61106321) 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, 33840 + ... + 35599.

It is an arithmetic number, because the mean of its divisors is an integer number (3874752).

Almost surely, 2^61106320 is an apocalyptic number.

It is an amenable number.

61106320 is an abundant number, since it is smaller than the sum of its proper divisors (93883760).

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

61106320 is a wasteful number, since it uses less digits than its factorization.

61106320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69463 (or 69457 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 61106320 is about 7817.0531532029. The cubic root of 61106320 is about 393.8782895985.

Adding to 61106320 its reverse (2360116), we get a palindrome (63466436).

The spelling of 61106320 in words is "sixty-one million, one hundred six thousand, three hundred twenty".