16556074353465 has 64 divisors (see below), whose sum is σ = 26839052697600. Its totient is φ = 8714470786560.

The previous prime is 16556074353461. The next prime is 16556074353493. The reversal of 16556074353465 is 56435347065561.

It is not a de Polignac number, because 16556074353465 - 2² = 16556074353461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16556074353399 and 16556074353408.

It is not an unprimeable number, because it can be changed into a prime (16556074353461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 182872560 + ... + 182963070.

It is an arithmetic number, because the mean of its divisors is an integer number (419360198400).

Almost surely, 2^{16556074353465} is an apocalyptic number.

16556074353465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16556074353465 is a deficient number, since it is larger than the sum of its proper divisors (10282978344135).

16556074353465 is a wasteful number, since it uses less digits than its factorization.

16556074353465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91214.

The product of its (nonzero) digits is 136080000, while the sum is 60.

The spelling of 16556074353465 in words is "sixteen trillion, five hundred fifty-six billion, seventy-four million, three hundred fifty-three thousand, four hundred sixty-five".