164749670 has 16 divisors (see below), whose sum is σ = 296697600. Its totient is φ = 65866944.

The previous prime is 164749579. The next prime is 164749687. The reversal of 164749670 is 76947461.

164749670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31931 + ... + 36729.

It is an arithmetic number, because the mean of its divisors is an integer number (18543600).

Almost surely, 2^164749670 is an apocalyptic number.

164749670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164749670 is a deficient number, since it is larger than the sum of its proper divisors (131947930).

164749670 is a wasteful number, since it uses less digits than its factorization.

164749670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8239.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 164749670 is about 12835.4847980121. The cubic root of 164749670 is about 548.2031387653.

The spelling of 164749670 in words is "one hundred sixty-four million, seven hundred forty-nine thousand, six hundred seventy".