162155879 has 4 divisors (see below), whose sum is σ = 164576184. Its totient is φ = 159735576.

The previous prime is 162155857. The next prime is 162155891. The reversal of 162155879 is 978551261.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162155879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162155839) 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, 1210052 + ... + 1210185.

It is an arithmetic number, because the mean of its divisors is an integer number (41144046).

Almost surely, 2^162155879 is an apocalyptic number.

162155879 is a deficient number, since it is larger than the sum of its proper divisors (2420305).

162155879 is an equidigital number, since it uses as much as digits as its factorization.

162155879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420304.

The product of its digits is 151200, while the sum is 44.

The square root of 162155879 is about 12734.0440944737. The cubic root of 162155879 is about 545.3109680595.

The spelling of 162155879 in words is "one hundred sixty-two million, one hundred fifty-five thousand, eight hundred seventy-nine".