6551164405 has 8 divisors (see below), whose sum is σ = 8203197312. Its totient is φ = 5013064848.

The previous prime is 6551164363. The next prime is 6551164441. The reversal of 6551164405 is 5044611556.

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

It is a cyclic number.

It is not a de Polignac number, because 6551164405 - 2²¹ = 6549067253 is a prime.

It is a super-2 number, since 2×6551164405² = 85835510122678008050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 28483209 + ... + 28483438.

It is an arithmetic number, because the mean of its divisors is an integer number (1025399664).

Almost surely, 2^6551164405 is an apocalyptic number.

It is an amenable number.

6551164405 is a deficient number, since it is larger than the sum of its proper divisors (1652032907).

6551164405 is a wasteful number, since it uses less digits than its factorization.

6551164405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56966675.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 6551164405 is about 80939.2636796258. The cubic root of 6551164405 is about 1871.1394968114.

The spelling of 6551164405 in words is "six billion, five hundred fifty-one million, one hundred sixty-four thousand, four hundred five".