66046204442 has 8 divisors (see below), whose sum is σ = 99158642100. Its totient is φ = 32993323744.

The previous prime is 66046204439. The next prime is 66046204529. The reversal of 66046204442 is 24440264066.

It can be written as a sum of positive squares in 2 ways, for example, as 66002234281 + 43970161 = 256909^2 + 6631^2 .

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

It is a super-2 number, since 2×66046204442² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66046204396 and 66046204405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14886467 + ... + 14890902.

Almost surely, 2^66046204442 is an apocalyptic number.

66046204442 is a deficient number, since it is larger than the sum of its proper divisors (33112437658).

66046204442 is a wasteful number, since it uses less digits than its factorization.

66046204442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29778480.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 66046204442 in words is "sixty-six billion, forty-six million, two hundred four thousand, four hundred forty-two".