164685370 has 16 divisors (see below), whose sum is σ = 298092960. Its totient is φ = 65505424.

The previous prime is 164685349. The next prime is 164685373. The reversal of 164685370 is 73586461.

It is a happy number.

164685370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (164685373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44212 + ... + 47791.

It is an arithmetic number, because the mean of its divisors is an integer number (18630810).

Almost surely, 2^164685370 is an apocalyptic number.

164685370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164685370 is a deficient number, since it is larger than the sum of its proper divisors (133407590).

164685370 is a wasteful number, since it uses less digits than its factorization.

164685370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92189.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 164685370 is about 12832.9797786796. The cubic root of 164685370 is about 548.1318102489.

The spelling of 164685370 in words is "one hundred sixty-four million, six hundred eighty-five thousand, three hundred seventy".