162506645 has 8 divisors (see below), whose sum is σ = 222866304. Its totient is φ = 111433104.

The previous prime is 162506629. The next prime is 162506651. The reversal of 162506645 is 546605261.

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 162506645 - 2⁴ = 162506629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 4643047 = 162506645 / (1 + 6 + 2 + 5 + 0 + 6 + 6 + 4 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2321489 + ... + 2321558.

It is an arithmetic number, because the mean of its divisors is an integer number (27858288).

Almost surely, 2^162506645 is an apocalyptic number.

It is an amenable number.

162506645 is a deficient number, since it is larger than the sum of its proper divisors (60359659).

162506645 is an equidigital number, since it uses as much as digits as its factorization.

162506645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643059.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 162506645 is about 12747.8094196611. The cubic root of 162506645 is about 545.7038796914.

The spelling of 162506645 in words is "one hundred sixty-two million, five hundred six thousand, six hundred forty-five".