6551164406 has 8 divisors (see below), whose sum is σ = 9827196264. Its totient is φ = 3275432320.

The previous prime is 6551164363. The next prime is 6551164441. The reversal of 6551164406 is 6044611556.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6551164406.

It is a congruent number.

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, 8540 + ... + 114783.

It is an arithmetic number, because the mean of its divisors is an integer number (1228399533).

Almost surely, 2^6551164406 is an apocalyptic number.

6551164406 is a deficient number, since it is larger than the sum of its proper divisors (3276031858).

6551164406 is a wasteful number, since it uses less digits than its factorization.

6551164406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149886.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 6551164406 is about 80939.2636858033. The cubic root of 6551164406 is about 1871.1394969066.

The spelling of 6551164406 in words is "six billion, five hundred fifty-one million, one hundred sixty-four thousand, four hundred six".