1662366497 has 8 divisors (see below), whose sum is σ = 1814063040. Its totient is φ = 1510765360.

The previous prime is 1662366493. The next prime is 1662366499. The reversal of 1662366497 is 7946632661.

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

It is a cyclic number.

It is not a de Polignac number, because 1662366497 - 2² = 1662366493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1662366493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15404 + ... + 59682.

It is an arithmetic number, because the mean of its divisors is an integer number (226757880).

Almost surely, 2^1662366497 is an apocalyptic number.

It is an amenable number.

1662366497 is a deficient number, since it is larger than the sum of its proper divisors (151696543).

1662366497 is a wasteful number, since it uses less digits than its factorization.

1662366497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47703.

The product of its digits is 1959552, while the sum is 50.

The square root of 1662366497 is about 40772.1289240579. The cubic root of 1662366497 is about 1184.6105402958.

The spelling of 1662366497 in words is "one billion, six hundred sixty-two million, three hundred sixty-six thousand, four hundred ninety-seven".