162606645 has 12 divisors (see below), whose sum is σ = 281851596. Its totient is φ = 86723520.

The previous prime is 162606641. The next prime is 162606671. The reversal of 162606645 is 546606261.

It is a happy number.

162606645 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 0 + 6 + 645 = 666.

162606645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 125955729 + 36650916 = 11223^2 + 6054^2 .

It is not a de Polignac number, because 162606645 - 2² = 162606641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162606641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1806696 + ... + 1806785.

It is an arithmetic number, because the mean of its divisors is an integer number (23487633).

Almost surely, 2^162606645 is an apocalyptic number.

162606645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

162606645 is a deficient number, since it is larger than the sum of its proper divisors (119244951).

162606645 is a wasteful number, since it uses less digits than its factorization.

162606645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613492 (or 3613489 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 162606645 is about 12751.7310589582. The cubic root of 162606645 is about 545.8157914194.

The spelling of 162606645 in words is "one hundred sixty-two million, six hundred six thousand, six hundred forty-five".