164673072 has 30 divisors (see below), whose sum is σ = 460856292. Its totient is φ = 54890976.

The previous prime is 164673043. The next prime is 164673083. The reversal of 164673072 is 270376461.

164673072 is a `hidden beast` number, since 1 + 646 + 7 + 3 + 0 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 571638 + ... + 571925.

Almost surely, 2^164673072 is an apocalyptic number.

164673072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164673072 is an abundant number, since it is smaller than the sum of its proper divisors (296183220).

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

164673072 is a wasteful number, since it uses less digits than its factorization.

164673072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143577 (or 1143568 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 164673072 is about 12832.5006136762. The cubic root of 164673072 is about 548.1181658618.

The spelling of 164673072 in words is "one hundred sixty-four million, six hundred seventy-three thousand, seventy-two".