6656706501 has 8 divisors (see below), whose sum is σ = 8875989984. Its totient is φ = 4437613680.

The previous prime is 6656706421. The next prime is 6656706509. The reversal of 6656706501 is 1056076566.

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

It is not a de Polignac number, because 6656706501 - 2¹⁵ = 6656673733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656706509) 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, 93691 + ... + 148631.

It is an arithmetic number, because the mean of its divisors is an integer number (1109498748).

Almost surely, 2^6656706501 is an apocalyptic number.

It is an amenable number.

6656706501 is a deficient number, since it is larger than the sum of its proper divisors (2219283483).

6656706501 is a wasteful number, since it uses less digits than its factorization.

6656706501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95331.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 6656706501 is about 81588.6419852666. The cubic root of 6656706501 is about 1881.1343031227.

The spelling of 6656706501 in words is "six billion, six hundred fifty-six million, seven hundred six thousand, five hundred one".