61648120 has 32 divisors (see below), whose sum is σ = 146869200. Its totient is φ = 23208448.

The previous prime is 61648049. The next prime is 61648121. The reversal of 61648120 is 2184616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61648121) 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, 44650 + ... + 46009.

Almost surely, 2^61648120 is an apocalyptic number.

It is an amenable number.

61648120 is an abundant number, since it is smaller than the sum of its proper divisors (85221080).

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

61648120 is a wasteful number, since it uses less digits than its factorization.

61648120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90687 (or 90683 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 61648120 is about 7851.6316775559. The cubic root of 61648120 is about 395.0389749503.

The spelling of 61648120 in words is "sixty-one million, six hundred forty-eight thousand, one hundred twenty".