655770063 has 24 divisors (see below), whose sum is σ = 973028784. Its totient is φ = 390510720.

The previous prime is 655770061. The next prime is 655770103. The reversal of 655770063 is 360077556.

655770063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 655770063 - 2¹ = 655770061 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655770061) 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, 28731 + ... + 46227.

It is an arithmetic number, because the mean of its divisors is an integer number (40542866).

Almost surely, 2^655770063 is an apocalyptic number.

655770063 is a deficient number, since it is larger than the sum of its proper divisors (317258721).

655770063 is a wasteful number, since it uses less digits than its factorization.

655770063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17575 (or 17544 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 39.

The square root of 655770063 is about 25608.0077905330. The cubic root of 655770063 is about 868.7947652657.

The spelling of 655770063 in words is "six hundred fifty-five million, seven hundred seventy thousand, sixty-three".