61652112287766 has 64 divisors (see below), whose sum is σ = 165555322523136. Its totient is φ = 14781725222400.

The previous prime is 61652112287747. The next prime is 61652112287789. The reversal of 61652112287766 is 66778221125616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5132537475 + ... + 5132549486.

It is an arithmetic number, because the mean of its divisors is an integer number (2586801914424).

Almost surely, 2^{61652112287766} is an apocalyptic number.

61652112287766 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61652112287766 is an abundant number, since it is smaller than the sum of its proper divisors (103903210235370).

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

61652112287766 is a wasteful number, since it uses less digits than its factorization.

61652112287766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10265086997.

The product of its digits is 20321280, while the sum is 60.

The spelling of 61652112287766 in words is "sixty-one trillion, six hundred fifty-two billion, one hundred twelve million, two hundred eighty-seven thousand, seven hundred sixty-six".