1466997339947 has 16 divisors (see below), whose sum is σ = 1594148075520. Its totient is φ = 1344847795200.

The previous prime is 1466997339911. The next prime is 1466997339953. The reversal of 1466997339947 is 7499337996641.

It is a cyclic number.

It is not a de Polignac number, because 1466997339947 - 2¹⁴ = 1466997323563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1466999339947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7824098 + ... + 8009400.

It is an arithmetic number, because the mean of its divisors is an integer number (99634254720).

Almost surely, 2^{1466997339947} is an apocalyptic number.

1466997339947 is a deficient number, since it is larger than the sum of its proper divisors (127150735573).

1466997339947 is a wasteful number, since it uses less digits than its factorization.

1466997339947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198794.

The product of its digits is 1666598976, while the sum is 77.

The spelling of 1466997339947 in words is "one trillion, four hundred sixty-six billion, nine hundred ninety-seven million, three hundred thirty-nine thousand, nine hundred forty-seven".