164702140 has 12 divisors (see below), whose sum is σ = 345874536. Its totient is φ = 65880848.

The previous prime is 164702119. The next prime is 164702141. The reversal of 164702140 is 41207461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164702141) 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, 4117534 + ... + 4117573.

It is an arithmetic number, because the mean of its divisors is an integer number (28822878).

Almost surely, 2^164702140 is an apocalyptic number.

164702140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164702140 is an abundant number, since it is smaller than the sum of its proper divisors (181172396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164702140 is a wasteful number, since it uses less digits than its factorization.

164702140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8235116 (or 8235114 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 164702140 is about 12833.6331566708. The cubic root of 164702140 is about 548.1504151366.

The spelling of 164702140 in words is "one hundred sixty-four million, seven hundred two thousand, one hundred forty".