655540625126 has 8 divisors (see below), whose sum is σ = 983434851000. Its totient is φ = 327729008128.

The previous prime is 655540625123. The next prime is 655540625137. The reversal of 655540625126 is 621526045556.

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

It is a super-2 number, since 2×655540625126² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655540625123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20632376 + ... + 20664123.

It is an arithmetic number, because the mean of its divisors is an integer number (122929356375).

Almost surely, 2^655540625126 is an apocalyptic number.

655540625126 is a deficient number, since it is larger than the sum of its proper divisors (327894225874).

655540625126 is a wasteful number, since it uses less digits than its factorization.

655540625126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41304438.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 655540625126 in words is "six hundred fifty-five billion, five hundred forty million, six hundred twenty-five thousand, one hundred twenty-six".