616541652601 has 4 divisors (see below), whose sum is σ = 704619031552. Its totient is φ = 528464273652.

The previous prime is 616541652577. The next prime is 616541652631. The reversal of 616541652601 is 106256145616.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 616541652601 - 2⁷ = 616541652473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616541652631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44038689465 + ... + 44038689478.

It is an arithmetic number, because the mean of its divisors is an integer number (176154757888).

Almost surely, 2^616541652601 is an apocalyptic number.

It is an amenable number.

616541652601 is a deficient number, since it is larger than the sum of its proper divisors (88077378951).

616541652601 is an equidigital number, since it uses as much as digits as its factorization.

616541652601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88077378950.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 616541652601 in words is "six hundred sixteen billion, five hundred forty-one million, six hundred fifty-two thousand, six hundred one".