61623232616 has 32 divisors (see below), whose sum is σ = 127295534880. Its totient is φ = 27733224000.

The previous prime is 61623232607. The next prime is 61623232633.

It is a happy number.

61623232616 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 61623232616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3457766 + ... + 3475541.

It is an arithmetic number, because the mean of its divisors is an integer number (3977985465).

Almost surely, 2^61623232616 is an apocalyptic number.

It is an amenable number.

61623232616 is an abundant number, since it is smaller than the sum of its proper divisors (65672302264).

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

61623232616 is a wasteful number, since it uses less digits than its factorization.

61623232616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6933425 (or 6933421 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

It can be divided in two parts, 616 and 23232616, that added together give a palindrome (23233232).

The spelling of 61623232616 in words is "sixty-one billion, six hundred twenty-three million, two hundred thirty-two thousand, six hundred sixteen".