61672522616500 has 96 divisors (see below), whose sum is σ = 138305586182400. Its totient is φ = 24015443529600.

The previous prime is 61672522616489. The next prime is 61672522616501. The reversal of 61672522616500 is 561622527616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61672522616501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7110015 + ... + 13187014.

It is an arithmetic number, because the mean of its divisors is an integer number (1440683189400).

Almost surely, 2^{61672522616500} is an apocalyptic number.

It is an amenable number.

61672522616500 is an abundant number, since it is smaller than the sum of its proper divisors (76633063565900).

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

61672522616500 is a wasteful number, since it uses less digits than its factorization.

61672522616500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20297210 (or 20297198 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 61672522616500 in words is "sixty-one trillion, six hundred seventy-two billion, five hundred twenty-two million, six hundred sixteen thousand, five hundred".