556420165 has 8 divisors (see below), whose sum is σ = 763090560. Its totient is φ = 381545232.

The previous prime is 556420153. The next prime is 556420177. The reversal of 556420165 is 561024655.

It is an interprime number because it is at equal distance from previous prime (556420153) and next prime (556420177).

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 556420165 - 2¹¹ = 556418117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556420165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7948825 + ... + 7948894.

It is an arithmetic number, because the mean of its divisors is an integer number (95386320).

Almost surely, 2^556420165 is an apocalyptic number.

It is an amenable number.

556420165 is a deficient number, since it is larger than the sum of its proper divisors (206670395).

556420165 is a wasteful number, since it uses less digits than its factorization.

556420165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15897731.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 556420165 is about 23588.5600450727. The cubic root of 556420165 is about 822.4969324510.

The spelling of 556420165 in words is "five hundred fifty-six million, four hundred twenty thousand, one hundred sixty-five".