537478661066 has 8 divisors (see below), whose sum is σ = 808810333344. Its totient is φ = 267875216620.

The previous prime is 537478661009. The next prime is 537478661129. The reversal of 537478661066 is 660166874735.

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

It is a super-2 number, since 2×537478661066² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 537478660996 and 537478661014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432056180 + ... + 432057423.

It is an arithmetic number, because the mean of its divisors is an integer number (101101291668).

Almost surely, 2^537478661066 is an apocalyptic number.

537478661066 is a deficient number, since it is larger than the sum of its proper divisors (271331672278).

537478661066 is a wasteful number, since it uses less digits than its factorization.

537478661066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864113916.

The product of its (nonzero) digits is 30481920, while the sum is 59.

The spelling of 537478661066 in words is "five hundred thirty-seven billion, four hundred seventy-eight million, six hundred sixty-one thousand, sixty-six".