61494016 has 36 divisors (see below), whose sum is σ = 124173000. Its totient is φ = 30390272.

The previous prime is 61493969. The next prime is 61494031. The reversal of 61494016 is 61049416.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21435 + ... + 24133.

It is an arithmetic number, because the mean of its divisors is an integer number (3449250).

Almost surely, 2^61494016 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 61494016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62086500).

61494016 is an abundant number, since it is smaller than the sum of its proper divisors (62678984).

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

61494016 is an equidigital number, since it uses as much as digits as its factorization.

61494016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804 (or 2790 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 61494016 is about 7841.8120354928. The cubic root of 61494016 is about 394.7095359650.

The spelling of 61494016 in words is "sixty-one million, four hundred ninety-four thousand, sixteen".