52166541442 has 8 divisors (see below), whose sum is σ = 78251536656. Its totient is φ = 26082695892.

The previous prime is 52166541421. The next prime is 52166541443. The reversal of 52166541442 is 24414566125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 52166541395 and 52166541404.

It is not an unprimeable number, because it can be changed into a prime (52166541443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 163248 + ... + 361915.

It is an arithmetic number, because the mean of its divisors is an integer number (9781442082).

Almost surely, 2^52166541442 is an apocalyptic number.

52166541442 is a deficient number, since it is larger than the sum of its proper divisors (26084995214).

52166541442 is a wasteful number, since it uses less digits than its factorization.

52166541442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574832.

The product of its digits is 230400, while the sum is 40.

The spelling of 52166541442 in words is "fifty-two billion, one hundred sixty-six million, five hundred forty-one thousand, four hundred forty-two".