66050631242 has 16 divisors (see below), whose sum is σ = 99456937992. Its totient is φ = 32898539520.

The previous prime is 66050631203. The next prime is 66050631277. The reversal of 66050631242 is 24213605066.

It is a happy number.

66050631242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21685213081 + 44365418161 = 147259^2 + 210631^2 .

It is a super-3 number, since 3×66050631242³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549578 + ... + 658890.

Almost surely, 2^66050631242 is an apocalyptic number.

66050631242 is a deficient number, since it is larger than the sum of its proper divisors (33406306750).

66050631242 is a wasteful number, since it uses less digits than its factorization.

66050631242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110473.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 66050631242 in words is "sixty-six billion, fifty million, six hundred thirty-one thousand, two hundred forty-two".