61012608 has 64 divisors (see below), whose sum is σ = 164872800. Its totient is φ = 19985408.

The previous prime is 61012603. The next prime is 61012621. The reversal of 61012608 is 80621016.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (61012603) 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, 21310 + ... + 24002.

Almost surely, 2^61012608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61012608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82436400).

61012608 is an abundant number, since it is smaller than the sum of its proper divisors (103860192).

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

61012608 is a wasteful number, since it uses less digits than its factorization.

61012608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 61012608 is about 7811.0567786952. The cubic root of 61012608 is about 393.6768374017.

The spelling of 61012608 in words is "sixty-one million, twelve thousand, six hundred eight".