164016766 has 4 divisors (see below), whose sum is σ = 246025152. Its totient is φ = 82008382.

The previous prime is 164016757. The next prime is 164016781. The reversal of 164016766 is 667610461.

164016766 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 667610461 = 7 ⋅95372923.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41004190 + ... + 41004193.

It is an arithmetic number, because the mean of its divisors is an integer number (61506288).

Almost surely, 2^164016766 is an apocalyptic number.

164016766 is a deficient number, since it is larger than the sum of its proper divisors (82008386).

164016766 is an equidigital number, since it uses as much as digits as its factorization.

164016766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82008385.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 164016766 is about 12806.9030604592. The cubic root of 164016766 is about 547.3890197133.

The spelling of 164016766 in words is "one hundred sixty-four million, sixteen thousand, seven hundred sixty-six".