164997000 has 384 divisors, whose sum is σ = 667779840. Its totient is φ = 37324800.

The previous prime is 164996999. The next prime is 164997013. The reversal of 164997000 is 799461.

164997000 is a `hidden beast` number, since 1 + 649 + 9 + 7 + 0 + 0 + 0 = 666.

164997000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1700952 + ... + 1701048.

It is an arithmetic number, because the mean of its divisors is an integer number (1739010).

Almost surely, 2^164997000 is an apocalyptic number.

164997000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164997000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333889920).

164997000 is an abundant number, since it is smaller than the sum of its proper divisors (502782840).

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

164997000 is an equidigital number, since it uses as much as digits as its factorization.

164997000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 164997000 is about 12845.1158032927. The cubic root of 164997000 is about 548.4773310979.

The spelling of 164997000 in words is "one hundred sixty-four million, nine hundred ninety-seven thousand".