164368611 has 12 divisors (see below), whose sum is σ = 259005240. Its totient is φ = 99617280.

The previous prime is 164368571. The next prime is 164368613. The reversal of 164368611 is 116863461.

164368611 is a `hidden beast` number, since 1 + 6 + 4 + 36 + 8 + 611 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-164368611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164368613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 830046 + ... + 830243.

It is an arithmetic number, because the mean of its divisors is an integer number (21583770).

Almost surely, 2^164368611 is an apocalyptic number.

164368611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

164368611 is a deficient number, since it is larger than the sum of its proper divisors (94636629).

164368611 is a wasteful number, since it uses less digits than its factorization.

164368611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660306 (or 1660303 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 164368611 is about 12820.6322387002. The cubic root of 164368611 is about 547.7801556129.

The spelling of 164368611 in words is "one hundred sixty-four million, three hundred sixty-eight thousand, six hundred eleven".