654031011665055 has 8 divisors (see below), whose sum is σ = 1046449618664112. Its totient is φ = 348816539554688.

The previous prime is 654031011665051. The next prime is 654031011665089. The reversal of 654031011665055 is 550566110130456.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 654031011665055 - 2² = 654031011665051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 654031011664995 and 654031011665013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654031011665051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21801033722154 + ... + 21801033722183.

It is an arithmetic number, because the mean of its divisors is an integer number (130806202333014).

Almost surely, 2^{654031011665055} is an apocalyptic number.

654031011665055 is a deficient number, since it is larger than the sum of its proper divisors (392418606999057).

654031011665055 is a wasteful number, since it uses less digits than its factorization.

654031011665055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43602067444345.

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 654031011665055 in words is "six hundred fifty-four trillion, thirty-one billion, eleven million, six hundred sixty-five thousand, fifty-five".