61616202 has 24 divisors (see below), whose sum is σ = 130064256. Its totient is φ = 19457064.

The previous prime is 61616173. The next prime is 61616227. The reversal of 61616202 is 20261616.

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 11 ways as a sum of consecutive naturals, for example, 12058 + ... + 16389.

It is an arithmetic number, because the mean of its divisors is an integer number (5419344).

Almost surely, 2^61616202 is an apocalyptic number.

61616202 is an abundant number, since it is smaller than the sum of its proper divisors (68448054).

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

61616202 is a wasteful number, since it uses less digits than its factorization.

61616202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28490 (or 28471 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 61616202 is about 7849.5988432531. The cubic root of 61616202 is about 394.9707867088.

Adding to 61616202 its reverse (20261616), we get a palindrome (81877818).

The spelling of 61616202 in words is "sixty-one million, six hundred sixteen thousand, two hundred two".