52640164420061 has 8 divisors (see below), whose sum is σ = 52836231674880. Its totient is φ = 52444099972528.

The previous prime is 52640164420003. The next prime is 52640164420069. The reversal of 52640164420061 is 16002446104625.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52640164420061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52640164420069) 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, 41611700 + ... + 42858066.

It is an arithmetic number, because the mean of its divisors is an integer number (6604528959360).

Almost surely, 2^{52640164420061} is an apocalyptic number.

It is an amenable number.

52640164420061 is a deficient number, since it is larger than the sum of its proper divisors (196067254819).

52640164420061 is a wasteful number, since it uses less digits than its factorization.

52640164420061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403643.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 52640164420061 in words is "fifty-two trillion, six hundred forty billion, one hundred sixty-four million, four hundred twenty thousand, sixty-one".