164866054 has 8 divisors (see below), whose sum is σ = 250278840. Its totient is φ = 81439776.

The previous prime is 164866019. The next prime is 164866057. The reversal of 164866054 is 450668461.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 164865998 and 164866016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164866057) 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, 496419 + ... + 496750.

It is an arithmetic number, because the mean of its divisors is an integer number (31284855).

Almost surely, 2^164866054 is an apocalyptic number.

164866054 is a deficient number, since it is larger than the sum of its proper divisors (85412786).

164866054 is an equidigital number, since it uses as much as digits as its factorization.

164866054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993254.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 164866054 is about 12840.0176791156. The cubic root of 164866054 is about 548.3321973063.

The spelling of 164866054 in words is "one hundred sixty-four million, eight hundred sixty-six thousand, fifty-four".