164372641 has 8 divisors (see below), whose sum is σ = 167071104. Its totient is φ = 161681520.

The previous prime is 164372627. The next prime is 164372699. The reversal of 164372641 is 146273461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164372641 - 2¹⁹ = 163848353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164372597 and 164372606.

It is not an unprimeable number, because it can be changed into a prime (164372041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59691 + ... + 62383.

It is an arithmetic number, because the mean of its divisors is an integer number (20883888).

Almost surely, 2^164372641 is an apocalyptic number.

It is an amenable number.

164372641 is a deficient number, since it is larger than the sum of its proper divisors (2698463).

164372641 is an equidigital number, since it uses as much as digits as its factorization.

164372641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671.

The product of its digits is 24192, while the sum is 34.

The square root of 164372641 is about 12820.7894062729. The cubic root of 164372641 is about 547.7846324125.

The spelling of 164372641 in words is "one hundred sixty-four million, three hundred seventy-two thousand, six hundred forty-one".