66003472238 has 16 divisors (see below), whose sum is σ = 108074663424. Its totient is φ = 29982416760.

The previous prime is 66003472207. The next prime is 66003472243. The reversal of 66003472238 is 83227430066.

It is a junction number, because it is equal to n+sod(n) for n = 66003472195 and 66003472204.

It is a congruent number.

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, 922820 + ... + 991767.

It is an arithmetic number, because the mean of its divisors is an integer number (6754666464).

Almost surely, 2^66003472238 is an apocalyptic number.

66003472238 is a deficient number, since it is larger than the sum of its proper divisors (42071191186).

66003472238 is a wasteful number, since it uses less digits than its factorization.

66003472238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916167.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 66003472238 in words is "sixty-six billion, three million, four hundred seventy-two thousand, two hundred thirty-eight".