6654946136 has 8 divisors (see below), whose sum is σ = 12478024020. Its totient is φ = 3327473064.

The previous prime is 6654946121. The next prime is 6654946139. The reversal of 6654946136 is 6316494566.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6654946136² = 88576616146122660992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6654946139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415934126 + ... + 415934141.

Almost surely, 2^6654946136 is an apocalyptic number.

It is an amenable number.

6654946136 is a deficient number, since it is larger than the sum of its proper divisors (5823077884).

6654946136 is a wasteful number, since it uses less digits than its factorization.

6654946136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831868273 (or 831868269 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 50.

The square root of 6654946136 is about 81577.8532200989. The cubic root of 6654946136 is about 1880.9684666120.

The spelling of 6654946136 in words is "six billion, six hundred fifty-four million, nine hundred forty-six thousand, one hundred thirty-six".