162795821 has 8 divisors (see below), whose sum is σ = 168769920. Its totient is φ = 156845808.

The previous prime is 162795793. The next prime is 162795833. The reversal of 162795821 is 128597261.

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 162795821 - 2²⁶ = 95686957 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162795421) 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, 8360 + ... + 19886.

It is an arithmetic number, because the mean of its divisors is an integer number (21096240).

Almost surely, 2^162795821 is an apocalyptic number.

It is an amenable number.

162795821 is a deficient number, since it is larger than the sum of its proper divisors (5974099).

162795821 is a wasteful number, since it uses less digits than its factorization.

162795821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12043.

The product of its digits is 60480, while the sum is 41.

The square root of 162795821 is about 12759.1465623685. The cubic root of 162795821 is about 546.0273761135.

The spelling of 162795821 in words is "one hundred sixty-two million, seven hundred ninety-five thousand, eight hundred twenty-one".