10078819066 has 8 divisors (see below), whose sum is σ = 15180960564. Its totient is φ = 5018498880.

The previous prime is 10078819033. The next prime is 10078819067. The reversal of 10078819066 is 66091887001.

It can be written as a sum of positive squares in 2 ways, for example, as 8540532225 + 1538286841 = 92415^2 + 39221^2 .

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

It is a super-2 number, since 2×10078819066² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10078819067) by changing a digit.

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, 10454725 + ... + 10455688.

Almost surely, 2^10078819066 is an apocalyptic number.

10078819066 is a deficient number, since it is larger than the sum of its proper divisors (5102141498).

10078819066 is a wasteful number, since it uses less digits than its factorization.

10078819066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20910656.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 10078819066 in words is "ten billion, seventy-eight million, eight hundred nineteen thousand, sixty-six".