61624616 has 16 divisors (see below), whose sum is σ = 115683540. Its totient is φ = 30775680.

The previous prime is 61624601. The next prime is 61624631. The reversal of 61624616 is 61642616.

It is an interprime number because it is at equal distance from previous prime (61624601) and next prime (61624631).

It can be written as a sum of positive squares in 2 ways, for example, as 61622500 + 2116 = 7850^2 + 46^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3386 + ... + 11606.

Almost surely, 2^61624616 is an apocalyptic number.

It is an amenable number.

61624616 is a deficient number, since it is larger than the sum of its proper divisors (54058924).

61624616 is a wasteful number, since it uses less digits than its factorization.

61624616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9164 (or 9160 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 61624616 is about 7850.1347759131. The cubic root of 61624616 is about 394.9887643015.

The spelling of 61624616 in words is "sixty-one million, six hundred twenty-four thousand, six hundred sixteen".