16772735340243 has 8 divisors (see below), whose sum is σ = 24848496800400. Its totient is φ = 11181823560144.

The previous prime is 16772735340233. The next prime is 16772735340253. The reversal of 16772735340243 is 34204353727761.

16772735340243 is a `hidden beast` number, since 1 + 6 + 7 + 7 + 2 + 7 + 353 + 40 + 243 = 666.

It is an interprime number because it is at equal distance from previous prime (16772735340233) and next prime (16772735340253).

It is not a de Polignac number, because 16772735340243 - 2¹⁶ = 16772735274707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16772735340243.

It is not an unprimeable number, because it can be changed into a prime (16772735340233) 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, 310606209978 + ... + 310606210031.

It is an arithmetic number, because the mean of its divisors is an integer number (3106062100050).

Almost surely, 2^{16772735340243} is an apocalyptic number.

16772735340243 is a deficient number, since it is larger than the sum of its proper divisors (8075761460157).

16772735340243 is an equidigital number, since it uses as much as digits as its factorization.

16772735340243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621212420018 (or 621212420012 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 54.

The spelling of 16772735340243 in words is "sixteen trillion, seven hundred seventy-two billion, seven hundred thirty-five million, three hundred forty thousand, two hundred forty-three".