164949884 has 72 divisors (see below), whose sum is σ = 336317184. Its totient is φ = 70159200.

The previous prime is 164949881. The next prime is 164949901. The reversal of 164949884 is 488949461.

It is a super-2 number, since 2×164949884² = 54416928463226912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164949881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1987307 + ... + 1987389.

It is an arithmetic number, because the mean of its divisors is an integer number (4671072).

Almost surely, 2^164949884 is an apocalyptic number.

It is an amenable number.

164949884 is an abundant number, since it is smaller than the sum of its proper divisors (171367300).

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

164949884 is a wasteful number, since it uses less digits than its factorization.

164949884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 174 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 53.

The square root of 164949884 is about 12843.2816678604. The cubic root of 164949884 is about 548.4251190009.

The spelling of 164949884 in words is "one hundred sixty-four million, nine hundred forty-nine thousand, eight hundred eighty-four".