656050106551 has 16 divisors (see below), whose sum is σ = 768637900800. Its totient is φ = 548199587520.

The previous prime is 656050106513. The next prime is 656050106587. The reversal of 656050106551 is 155601050656.

It is a cyclic number.

It is not a de Polignac number, because 656050106551 - 2¹³ = 656050098359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656050106651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480451 + ... + 1242148.

It is an arithmetic number, because the mean of its divisors is an integer number (48039868800).

Almost surely, 2^656050106551 is an apocalyptic number.

656050106551 is a deficient number, since it is larger than the sum of its proper divisors (112587794249).

656050106551 is a wasteful number, since it uses less digits than its factorization.

656050106551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723974.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 656050106551 in words is "six hundred fifty-six billion, fifty million, one hundred six thousand, five hundred fifty-one".