61602756852 has 48 divisors (see below), whose sum is σ = 176910484352. Its totient is φ = 16246880640.

The previous prime is 61602756841. The next prime is 61602756883. The reversal of 61602756852 is 25865720616.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28205299 + ... + 28207482.

Almost surely, 2^61602756852 is an apocalyptic number.

It is an amenable number.

61602756852 is an abundant number, since it is smaller than the sum of its proper divisors (115307727500).

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

61602756852 is a wasteful number, since it uses less digits than its factorization.

61602756852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56412808 (or 56412806 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 61602756852 in words is "sixty-one billion, six hundred two million, seven hundred fifty-six thousand, eight hundred fifty-two".