655662051 has 24 divisors (see below), whose sum is σ = 1087544640. Its totient is φ = 376455600.

The previous prime is 655662019. The next prime is 655662061. The reversal of 655662051 is 150266556.

It is a happy number.

It is not a de Polignac number, because 655662051 - 2⁵ = 655662019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655661997 and 655662015.

It is not an unprimeable number, because it can be changed into a prime (655662061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172405 + ... + 176166.

It is an arithmetic number, because the mean of its divisors is an integer number (45314360).

Almost surely, 2^655662051 is an apocalyptic number.

655662051 is a deficient number, since it is larger than the sum of its proper divisors (431882589).

655662051 is a wasteful number, since it uses less digits than its factorization.

655662051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348607 (or 348604 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 655662051 is about 25605.8987539981. The cubic root of 655662051 is about 868.7470628681.

The spelling of 655662051 in words is "six hundred fifty-five million, six hundred sixty-two thousand, fifty-one".