2116546465 has 8 divisors (see below), whose sum is σ = 2770751808. Its totient is φ = 1539306480.

The previous prime is 2116546429. The next prime is 2116546489. The reversal of 2116546465 is 5646456112.

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

It is not a de Polignac number, because 2116546465 - 2⁷ = 2116546337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19241277 + ... + 19241386.

It is an arithmetic number, because the mean of its divisors is an integer number (346343976).

Almost surely, 2^2116546465 is an apocalyptic number.

It is an amenable number.

2116546465 is a deficient number, since it is larger than the sum of its proper divisors (654205343).

2116546465 is a wasteful number, since it uses less digits than its factorization.

2116546465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38482679.

The product of its digits is 172800, while the sum is 40.

The square root of 2116546465 is about 46005.9394535097. The cubic root of 2116546465 is about 1283.9337124855.

The spelling of 2116546465 in words is "two billion, one hundred sixteen million, five hundred forty-six thousand, four hundred sixty-five".