61610648 has 32 divisors (see below), whose sum is σ = 126426960. Its totient is φ = 27914880.

The previous prime is 61610641. The next prime is 61610657. The reversal of 61610648 is 84601616.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61610641) 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, 31886 + ... + 33762.

Almost surely, 2^61610648 is an apocalyptic number.

It is an amenable number.

61610648 is an abundant number, since it is smaller than the sum of its proper divisors (64816312).

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

61610648 is a wasteful number, since it uses less digits than its factorization.

61610648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267 (or 2263 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 61610648 is about 7849.2450592398. The cubic root of 61610648 is about 394.9589189771.

The spelling of 61610648 in words is "sixty-one million, six hundred ten thousand, six hundred forty-eight".