164451101 has 4 divisors (see below), whose sum is σ = 165651612. Its totient is φ = 163250592.

The previous prime is 164451071. The next prime is 164451107. The reversal of 164451101 is 101154461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48372025 + 116079076 = 6955^2 + 10774^2 .

It is a cyclic number.

It is not a de Polignac number, because 164451101 - 2¹⁸ = 164188957 is a prime.

It is a super-2 number, since 2×164451101² = 54088329240224402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164451107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600050 + ... + 600323.

It is an arithmetic number, because the mean of its divisors is an integer number (41412903).

Almost surely, 2^164451101 is an apocalyptic number.

It is an amenable number.

164451101 is a deficient number, since it is larger than the sum of its proper divisors (1200511).

164451101 is a wasteful number, since it uses less digits than its factorization.

164451101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200510.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 164451101 is about 12823.8489152048. The cubic root of 164451101 is about 547.8717765694.

The spelling of 164451101 in words is "one hundred sixty-four million, four hundred fifty-one thousand, one hundred one".