61003637016 has 96 divisors (see below), whose sum is σ = 177464798640. Its totient is φ = 17424083712.

The previous prime is 61003637011. The next prime is 61003637017. The reversal of 61003637016 is 61073630016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61003637011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4995430 + ... + 5007626.

Almost surely, 2^61003637016 is an apocalyptic number.

It is an amenable number.

61003637016 is an abundant number, since it is smaller than the sum of its proper divisors (116461161624).

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

61003637016 is a wasteful number, since it uses less digits than its factorization.

61003637016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16473 (or 16462 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The spelling of 61003637016 in words is "sixty-one billion, three million, six hundred thirty-seven thousand, sixteen".