164720750 has 16 divisors (see below), whose sum is σ = 308357712. Its totient is φ = 65888200.

The previous prime is 164720749. The next prime is 164720797. The reversal of 164720750 is 57027461.

164720750 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, 329192 + ... + 329691.

It is an arithmetic number, because the mean of its divisors is an integer number (19272357).

Almost surely, 2^164720750 is an apocalyptic number.

164720750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164720750 is a deficient number, since it is larger than the sum of its proper divisors (143636962).

164720750 is an equidigital number, since it uses as much as digits as its factorization.

164720750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658900 (or 658890 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 164720750 is about 12834.3581841867. The cubic root of 164720750 is about 548.1710598695.

It can be divided in two parts, 164 and 720750, that multiplied together give a triangular number (118203000 = T₁₅₃₇₅).

The spelling of 164720750 in words is "one hundred sixty-four million, seven hundred twenty thousand, seven hundred fifty".