16812154354 has 4 divisors (see below), whose sum is σ = 25218231534. Its totient is φ = 8406077176.

The previous prime is 16812154349. The next prime is 16812154393. The reversal of 16812154354 is 45345121861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16789162329 + 22992025 = 129573^2 + 4795^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4203038587 + ... + 4203038590.

Almost surely, 2^16812154354 is an apocalyptic number.

16812154354 is a deficient number, since it is larger than the sum of its proper divisors (8406077180).

16812154354 is an equidigital number, since it uses as much as digits as its factorization.

16812154354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8406077179.

The product of its digits is 115200, while the sum is 40.

The spelling of 16812154354 in words is "sixteen billion, eight hundred twelve million, one hundred fifty-four thousand, three hundred fifty-four".