162555601 has 16 divisors (see below), whose sum is σ = 178777984. Its totient is φ = 146893824.

The previous prime is 162555587. The next prime is 162555623. The reversal of 162555601 is 106555261.

It is a cyclic number.

It is not a de Polignac number, because 162555601 - 2¹³ = 162547409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162555641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167620 + ... + 168586.

It is an arithmetic number, because the mean of its divisors is an integer number (11173624).

Almost surely, 2^162555601 is an apocalyptic number.

It is an amenable number.

162555601 is a deficient number, since it is larger than the sum of its proper divisors (16222383).

162555601 is a wasteful number, since it uses less digits than its factorization.

162555601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 162555601 is about 12749.7294481099. The cubic root of 162555601 is about 545.7586729315.

The spelling of 162555601 in words is "one hundred sixty-two million, five hundred fifty-five thousand, six hundred one".