2016520674506 has 8 divisors (see below), whose sum is σ = 3257456474244. Its totient is φ = 930701849760.

The previous prime is 2016520674457. The next prime is 2016520674521. The reversal of 2016520674506 is 6054760256102.

It can be written as a sum of positive squares in 2 ways, for example, as 1967609371225 + 48911303281 = 1402715^2 + 221159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38779243715 + ... + 38779243766.

Almost surely, 2^{2016520674506} is an apocalyptic number.

2016520674506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2016520674506 is a deficient number, since it is larger than the sum of its proper divisors (1240935799738).

2016520674506 is a wasteful number, since it uses less digits than its factorization.

2016520674506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77558487496.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 2016520674506 in words is "two trillion, sixteen billion, five hundred twenty million, six hundred seventy-four thousand, five hundred six".