536665325621 has 8 divisors (see below), whose sum is σ = 560248765440. Its totient is φ = 513102732912.

The previous prime is 536665325543. The next prime is 536665325627. The reversal of 536665325621 is 126523566635.

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

It is a cyclic number.

It is not a de Polignac number, because 536665325621 - 2³⁴ = 519485456437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 536665325621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536665325627) 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, 5159150 + ... + 5262143.

It is an arithmetic number, because the mean of its divisors is an integer number (70031095680).

Almost surely, 2^536665325621 is an apocalyptic number.

It is an amenable number.

536665325621 is a deficient number, since it is larger than the sum of its proper divisors (23583439819).

536665325621 is a wasteful number, since it uses less digits than its factorization.

536665325621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10423555.

The product of its digits is 5832000, while the sum is 50.

The spelling of 536665325621 in words is "five hundred thirty-six billion, six hundred sixty-five million, three hundred twenty-five thousand, six hundred twenty-one".