164301992 has 8 divisors (see below), whose sum is σ = 308066250. Its totient is φ = 82150992.

The previous prime is 164301971. The next prime is 164302009. The reversal of 164301992 is 299103461.

It can be written as a sum of positive squares in only one way, i.e., 123520996 + 40780996 = 11114^2 + 6386^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10268867 + ... + 10268882.

Almost surely, 2^164301992 is an apocalyptic number.

It is an amenable number.

164301992 is a deficient number, since it is larger than the sum of its proper divisors (143764258).

164301992 is a wasteful number, since it uses less digits than its factorization.

164301992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20537755 (or 20537751 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 164301992 is about 12818.0338585916. The cubic root of 164301992 is about 547.7061400669.

The spelling of 164301992 in words is "one hundred sixty-four million, three hundred one thousand, nine hundred ninety-two".