16514278774997 has 16 divisors (see below), whose sum is σ = 17140215168000. Its totient is φ = 15892188582144.

The previous prime is 16514278774951. The next prime is 16514278775011. The reversal of 16514278774997 is 79947787241561.

It is a cyclic number.

It is not a de Polignac number, because 16514278774997 - 2¹⁰ = 16514278773973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16514278773997) 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, 10710029 + ... + 12154557.

It is an arithmetic number, because the mean of its divisors is an integer number (1071263448000).

Almost surely, 2^{16514278774997} is an apocalyptic number.

It is an amenable number.

16514278774997 is a deficient number, since it is larger than the sum of its proper divisors (625936393003).

16514278774997 is a wasteful number, since it uses less digits than its factorization.

16514278774997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445860.

The product of its digits is 1493614080, while the sum is 77.

The spelling of 16514278774997 in words is "sixteen trillion, five hundred fourteen billion, two hundred seventy-eight million, seven hundred seventy-four thousand, nine hundred ninety-seven".