164364465 has 8 divisors (see below), whose sum is σ = 262983168. Its totient is φ = 87661040.

The previous prime is 164364461. The next prime is 164364469. The reversal of 164364465 is 564463461.

It is an interprime number because it is at equal distance from previous prime (164364461) and next prime (164364469).

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

It is not a de Polignac number, because 164364465 - 2² = 164364461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164364461) 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, 5478801 + ... + 5478830.

It is an arithmetic number, because the mean of its divisors is an integer number (32872896).

Almost surely, 2^164364465 is an apocalyptic number.

164364465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164364465 is a deficient number, since it is larger than the sum of its proper divisors (98618703).

164364465 is a wasteful number, since it uses less digits than its factorization.

164364465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10957639.

The product of its digits is 207360, while the sum is 39.

The square root of 164364465 is about 12820.4705451867. The cubic root of 164364465 is about 547.7755498762.

The spelling of 164364465 in words is "one hundred sixty-four million, three hundred sixty-four thousand, four hundred sixty-five".