164866031 has 8 divisors (see below), whose sum is σ = 180642000. Its totient is φ = 149221440.

The previous prime is 164866019. The next prime is 164866057. The reversal of 164866031 is 130668461.

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 164866031 - 2¹⁴ = 164849647 is a prime.

It is a super-2 number, since 2×164866031² = 54361616355385922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164865982 and 164866000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164866081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30206 + ... + 35243.

It is an arithmetic number, because the mean of its divisors is an integer number (22580250).

Almost surely, 2^164866031 is an apocalyptic number.

164866031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

164866031 is a deficient number, since it is larger than the sum of its proper divisors (15775969).

164866031 is a wasteful number, since it uses less digits than its factorization.

164866031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65689.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 164866031 is about 12840.0167834781. The cubic root of 164866031 is about 548.3321718076.

The spelling of 164866031 in words is "one hundred sixty-four million, eight hundred sixty-six thousand, thirty-one".