61944916 has 48 divisors (see below), whose sum is σ = 122145408. Its totient is φ = 27248000.

The previous prime is 61944907. The next prime is 61944941.

61944916 is nontrivially palindromic in base 10.

Its product of digits (46656) is a multiple of the sum of its prime factors (432).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235401 + ... + 235663.

It is an arithmetic number, because the mean of its divisors is an integer number (2544696).

Almost surely, 2^61944916 is an apocalyptic number.

It is an amenable number.

61944916 is a deficient number, since it is larger than the sum of its proper divisors (60200492).

61944916 is a wasteful number, since it uses less digits than its factorization.

61944916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 430 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 61944916 is about 7870.5092592538. The cubic root of 61944916 is about 395.6719130653.

The spelling of 61944916 in words is "sixty-one million, nine hundred forty-four thousand, nine hundred sixteen".