164078997 has 8 divisors (see below), whose sum is σ = 219688320. Its totient is φ = 108927840.

The previous prime is 164078983. The next prime is 164079023. The reversal of 164078997 is 799870461.

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

It is not a de Polignac number, because 164078997 - 2⁶ = 164078933 is a prime.

It is a super-3 number, since 3×164078997³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164078947) 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, 113704 + ... + 115137.

It is an arithmetic number, because the mean of its divisors is an integer number (27461040).

Almost surely, 2^164078997 is an apocalyptic number.

It is an amenable number.

164078997 is a deficient number, since it is larger than the sum of its proper divisors (55609323).

164078997 is a wasteful number, since it uses less digits than its factorization.

164078997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229083.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 164078997 is about 12809.3324182020. The cubic root of 164078997 is about 547.4582408049.

The spelling of 164078997 in words is "one hundred sixty-four million, seventy-eight thousand, nine hundred ninety-seven".