1497781284166 has 8 divisors (see below), whose sum is σ = 2246682080160. Its totient is φ = 748887257448.

The previous prime is 1497781284163. The next prime is 1497781284173. The reversal of 1497781284166 is 6614821877941.

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

It is a junction number, because it is equal to n+sod(n) for n = 1497781284098 and 1497781284107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497781284163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097326 + ... + 2049313.

It is an arithmetic number, because the mean of its divisors is an integer number (280835260020).

Almost surely, 2^{1497781284166} is an apocalyptic number.

1497781284166 is a deficient number, since it is larger than the sum of its proper divisors (748900795994).

1497781284166 is a wasteful number, since it uses less digits than its factorization.

1497781284166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384638.

The product of its digits is 32514048, while the sum is 64.

The spelling of 1497781284166 in words is "one trillion, four hundred ninety-seven billion, seven hundred eighty-one million, two hundred eighty-four thousand, one hundred sixty-six".