162840379 has 4 divisors (see below), whose sum is σ = 175366576. Its totient is φ = 150314184.

The previous prime is 162840371. The next prime is 162840389. The reversal of 162840379 is 973048261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162840379 - 2³ = 162840371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162840371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6263079 + ... + 6263104.

It is an arithmetic number, because the mean of its divisors is an integer number (43841644).

Almost surely, 2^162840379 is an apocalyptic number.

162840379 is a deficient number, since it is larger than the sum of its proper divisors (12526197).

162840379 is a wasteful number, since it uses less digits than its factorization.

162840379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12526196.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 162840379 is about 12760.8925628265. The cubic root of 162840379 is about 546.0771883431.

The spelling of 162840379 in words is "one hundred sixty-two million, eight hundred forty thousand, three hundred seventy-nine".