616545006001 has 4 divisors (see below), whose sum is σ = 616546623472. Its totient is φ = 616543388532.

The previous prime is 616545005987. The next prime is 616545006019. The reversal of 616545006001 is 100600545616.

It is a happy number.

616545006001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 616545006001 - 2⁷ = 616545005873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616545006031) 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, 113866 + ... + 1116268.

It is an arithmetic number, because the mean of its divisors is an integer number (154136655868).

Almost surely, 2^616545006001 is an apocalyptic number.

It is an amenable number.

616545006001 is a deficient number, since it is larger than the sum of its proper divisors (1617471).

616545006001 is a wasteful number, since it uses less digits than its factorization.

616545006001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617470.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 616545006001 in words is "six hundred sixteen billion, five hundred forty-five million, six thousand, one".