162164989 has 8 divisors (see below), whose sum is σ = 196233408. Its totient is φ = 130822080.

The previous prime is 162164957. The next prime is 162165007. The reversal of 162164989 is 989461261.

It is a happy number.

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 162164989 - 2⁵ = 162164957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162164939) 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, 681247 + ... + 681484.

It is an arithmetic number, because the mean of its divisors is an integer number (24529176).

Almost surely, 2^162164989 is an apocalyptic number.

It is an amenable number.

162164989 is a deficient number, since it is larger than the sum of its proper divisors (34068419).

162164989 is a wasteful number, since it uses less digits than its factorization.

162164989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362755.

The product of its digits is 186624, while the sum is 46.

The square root of 162164989 is about 12734.4017919964. The cubic root of 162164989 is about 545.3211798177.

The spelling of 162164989 in words is "one hundred sixty-two million, one hundred sixty-four thousand, nine hundred eighty-nine".