164925841 has 4 divisors (see below), whose sum is σ = 166467312. Its totient is φ = 163384372.

The previous prime is 164925809. The next prime is 164925853. The reversal of 164925841 is 148529461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164925841 - 2⁵ = 164925809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164925794 and 164925803.

It is not an unprimeable number, because it can be changed into a prime (164925881) 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, 770575 + ... + 770788.

It is an arithmetic number, because the mean of its divisors is an integer number (41616828).

Almost surely, 2^164925841 is an apocalyptic number.

It is an amenable number.

164925841 is a deficient number, since it is larger than the sum of its proper divisors (1541471).

164925841 is a wasteful number, since it uses less digits than its factorization.

164925841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541470.

The product of its digits is 69120, while the sum is 40.

The square root of 164925841 is about 12842.3456190838. The cubic root of 164925841 is about 548.3984716631.

The spelling of 164925841 in words is "one hundred sixty-four million, nine hundred twenty-five thousand, eight hundred forty-one".