613656601654 has 8 divisors (see below), whose sum is σ = 920552790528. Its totient is φ = 306805671480.

The previous prime is 613656601631. The next prime is 613656601697. The reversal of 613656601654 is 456106656316.

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

It is a junction number, because it is equal to n+sod(n) for n = 613656601598 and 613656601607.

It is a congruent number.

It is an unprimeable number.

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, 11280757 + ... + 11335024.

It is an arithmetic number, because the mean of its divisors is an integer number (115069098816).

Almost surely, 2^613656601654 is an apocalyptic number.

613656601654 is a deficient number, since it is larger than the sum of its proper divisors (306896188874).

613656601654 is a wasteful number, since it uses less digits than its factorization.

613656601654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22629350.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 613656601654 in words is "six hundred thirteen billion, six hundred fifty-six million, six hundred one thousand, six hundred fifty-four".