624661416620654 has 16 divisors (see below), whose sum is σ = 1070849258360448. Its totient is φ = 267711756799032.

The previous prime is 624661416620597. The next prime is 624661416620663. The reversal of 624661416620654 is 456026614166426.

It is a junction number, because it is equal to n+sod(n) for n = 624661416620593 and 624661416620602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9022784 + ... + 36479219.

It is an arithmetic number, because the mean of its divisors is an integer number (66928078647528).

Almost surely, 2^{624661416620654} is an apocalyptic number.

624661416620654 is a deficient number, since it is larger than the sum of its proper divisors (446187841739794).

624661416620654 is a wasteful number, since it uses less digits than its factorization.

624661416620654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46482599.

The product of its (nonzero) digits is 59719680, while the sum is 59.

The spelling of 624661416620654 in words is "six hundred twenty-four trillion, six hundred sixty-one billion, four hundred sixteen million, six hundred twenty thousand, six hundred fifty-four".