2061366517 has 8 divisors (see below), whose sum is σ = 2357589312. Its totient is φ = 1765579200.

The previous prime is 2061366509. The next prime is 2061366521. The reversal of 2061366517 is 7156631602.

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

It is not a de Polignac number, because 2061366517 - 2³ = 2061366509 is a prime.

It is a super-2 number, since 2×2061366517² = 8498463834817422578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061366547) 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, 98659 + ... + 117712.

It is an arithmetic number, because the mean of its divisors is an integer number (294698664).

Almost surely, 2^2061366517 is an apocalyptic number.

It is an amenable number.

2061366517 is a deficient number, since it is larger than the sum of its proper divisors (296222795).

2061366517 is a wasteful number, since it uses less digits than its factorization.

2061366517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217739.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2061366517 is about 45402.2743593314. The cubic root of 2061366517 is about 1272.6776162022.

The spelling of 2061366517 in words is "two billion, sixty-one million, three hundred sixty-six thousand, five hundred seventeen".