542655622656 has 180 divisors, whose sum is σ = 1821838095792. Its totient is φ = 155044399104.

The previous prime is 542655622651. The next prime is 542655622661. The reversal of 542655622656 is 656226556245.

542655622656 is a `hidden beast` number, since 5 + 4 + 2 + 6 + 5 + 5 + 622 + 6 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (542655622651) and next prime (542655622661).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542655622651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 975880 + ... + 1427463.

Almost surely, 2^542655622656 is an apocalyptic number.

542655622656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

542655622656 is an abundant number, since it is smaller than the sum of its proper divisors (1279182473136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542655622656 is a wasteful number, since it uses less digits than its factorization.

542655622656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403381 (or 2403355 counting only the distinct ones).

The product of its digits is 25920000, while the sum is 54.

The spelling of 542655622656 in words is "five hundred forty-two billion, six hundred fifty-five million, six hundred twenty-two thousand, six hundred fifty-six".