164987298 has 48 divisors (see below), whose sum is σ = 430048320. Its totient is φ = 44657568.

The previous prime is 164987267. The next prime is 164987311. The reversal of 164987298 is 892789461.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32065 + ... + 36852.

It is an arithmetic number, because the mean of its divisors is an integer number (8959340).

Almost surely, 2^164987298 is an apocalyptic number.

164987298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

164987298 is an abundant number, since it is smaller than the sum of its proper divisors (265061022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164987298 is a wasteful number, since it uses less digits than its factorization.

164987298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68951 (or 68948 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 164987298 is about 12844.7381444699. The cubic root of 164987298 is about 548.4665805361.

The spelling of 164987298 in words is "one hundred sixty-four million, nine hundred eighty-seven thousand, two hundred ninety-eight".